diff --git a/benchmark/config/benchmark_training_config.yaml b/benchmark/config/benchmark_training_config.yaml
index 06186e26..71bb6ee1 100644
--- a/benchmark/config/benchmark_training_config.yaml
+++ b/benchmark/config/benchmark_training_config.yaml
@@ -62,7 +62,7 @@ observation_space:
     - name: LINK_TRAFFIC_LEVELS
 
 # Number of episodes for training to run per session
-num_train_episodes: 500
+num_train_episodes: 10
 
 # Number of time_steps for training per episode
 num_train_steps: 256
diff --git a/benchmark/primaite_benchmark.py b/benchmark/primaite_benchmark.py
index 8c947435..2e8a7e51 100644
--- a/benchmark/primaite_benchmark.py
+++ b/benchmark/primaite_benchmark.py
@@ -393,11 +393,7 @@ def _plot_all_benchmarks_combined_session_av():
                 metadata_dict = json.load(file)
             df = _get_df_from_episode_av_reward_dict(metadata_dict["combined_av_reward_per_episode"])
 
-            fig.add_trace(
-                go.Scatter(
-                    x=df["episode"], y=df["rolling_av_reward"], mode="lines", name=dir.name, line={"color": "#FF0000"}
-                )
-            )
+            fig.add_trace(go.Scatter(x=df["episode"], y=df["rolling_av_reward"], mode="lines", name=dir.name))
 
     # Set the layout of the graph
     fig.update_layout(
@@ -417,7 +413,7 @@ def run():
     """Run the PrimAITE benchmark."""
     start_datetime = datetime.now()
     av_reward_per_episode_dicts = {}
-    for i in range(1, 11):
+    for i in range(1, 3):
         print(f"Starting Benchmark Session: {i}")
         with _get_benchmark_primaite_session() as session:
             session.learn()
diff --git a/benchmark/results/PrimAITE Versions Learning Benchmark.png b/benchmark/results/PrimAITE Versions Learning Benchmark.png
index b17c8e7c..fa01695a 100644
Binary files a/benchmark/results/PrimAITE Versions Learning Benchmark.png and b/benchmark/results/PrimAITE Versions Learning Benchmark.png differ
diff --git a/docs/_templates/custom-class-template.rst b/docs/_templates/custom-class-template.rst
index acffdc4c..66acd325 100644
--- a/docs/_templates/custom-class-template.rst
+++ b/docs/_templates/custom-class-template.rst
@@ -1,6 +1,6 @@
 .. only:: comment
 
-    Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+    © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 
 ..
     Credit to https://github.com/JamesALeedham/Sphinx-Autosummary-Recursion for the custom templates.
diff --git a/docs/_templates/custom-module-template.rst b/docs/_templates/custom-module-template.rst
index 8eebad3e..64ac520a 100644
--- a/docs/_templates/custom-module-template.rst
+++ b/docs/_templates/custom-module-template.rst
@@ -1,6 +1,6 @@
 .. only:: comment
 
-    Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+    © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 
 ..
     Credit to https://github.com/JamesALeedham/Sphinx-Autosummary-Recursion for the custom templates.
diff --git a/docs/api.rst b/docs/api.rst
index b24dafc3..aeaef4e2 100644
--- a/docs/api.rst
+++ b/docs/api.rst
@@ -1,6 +1,6 @@
 .. only:: comment
 
-    Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+    © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 
 ..
    DO NOT DELETE THIS FILE! It contains the all-important `.. autosummary::` directive with `:recursive:` option, without
diff --git a/docs/conf.py b/docs/conf.py
index b23bb57e..4a805916 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 # Configuration file for the Sphinx documentation builder.
 #
 # For the full list of built-in configuration values, see the documentation:
diff --git a/docs/index.rst b/docs/index.rst
index de5bed46..208d5abc 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -1,6 +1,6 @@
 .. only:: comment
 
-    Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+    © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 
 Welcome to PrimAITE's documentation
 ====================================
diff --git a/docs/source/about.rst b/docs/source/about.rst
index 2068472c..d12a59de 100644
--- a/docs/source/about.rst
+++ b/docs/source/about.rst
@@ -1,6 +1,6 @@
 .. only:: comment
 
-    Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+    © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 
 .. _about:
 
diff --git a/docs/source/config.rst b/docs/source/config.rst
index 23860d99..daf7f90b 100644
--- a/docs/source/config.rst
+++ b/docs/source/config.rst
@@ -1,6 +1,6 @@
 .. only:: comment
 
-    Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+    © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 
 .. _config:
 
diff --git a/docs/source/custom_agent.rst b/docs/source/custom_agent.rst
index aa4e2082..0f4f30ad 100644
--- a/docs/source/custom_agent.rst
+++ b/docs/source/custom_agent.rst
@@ -1,6 +1,6 @@
 .. only:: comment
 
-    Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+    © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 
 Custom Agents
 =============
diff --git a/docs/source/dependencies.rst b/docs/source/dependencies.rst
index 0d3f21c3..942ccfd8 100644
--- a/docs/source/dependencies.rst
+++ b/docs/source/dependencies.rst
@@ -1,6 +1,6 @@
 .. only:: comment
 
-    Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+    © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 
 .. role::  raw-html(raw)
     :format: html
diff --git a/docs/source/getting_started.rst b/docs/source/getting_started.rst
index ef34a163..0ac2fdd4 100644
--- a/docs/source/getting_started.rst
+++ b/docs/source/getting_started.rst
@@ -1,6 +1,6 @@
 .. only:: comment
 
-    Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+    © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 
 .. _getting-started:
 
diff --git a/docs/source/glossary.rst b/docs/source/glossary.rst
index e8972d05..8340d559 100644
--- a/docs/source/glossary.rst
+++ b/docs/source/glossary.rst
@@ -1,6 +1,6 @@
 .. only:: comment
 
-    Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+    © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 
 Glossary
 =============
diff --git a/docs/source/migration_1.2_-_2.0.rst b/docs/source/migration_1.2_-_2.0.rst
index 6369bb96..e1e24790 100644
--- a/docs/source/migration_1.2_-_2.0.rst
+++ b/docs/source/migration_1.2_-_2.0.rst
@@ -1,6 +1,6 @@
 .. only:: comment
 
-    Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+    © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 
 v1.2 to v2.0 Migration guide
 ============================
diff --git a/docs/source/primaite_session.rst b/docs/source/primaite_session.rst
index 1b75699b..840e5717 100644
--- a/docs/source/primaite_session.rst
+++ b/docs/source/primaite_session.rst
@@ -1,6 +1,6 @@
 .. only:: comment
 
-    Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+    © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 
 .. _run a primaite session:
 
diff --git a/setup.py b/setup.py
index efaf24bf..62bcbf16 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 from setuptools import setup
 from wheel.bdist_wheel import bdist_wheel as _bdist_wheel  # noqa
 
diff --git a/src/primaite/__init__.py b/src/primaite/__init__.py
index 6f9004b0..a0f5b7fe 100644
--- a/src/primaite/__init__.py
+++ b/src/primaite/__init__.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 import logging
 import logging.config
 import shutil
diff --git a/src/primaite/acl/__init__.py b/src/primaite/acl/__init__.py
index c6fd79f2..6dc02583 100644
--- a/src/primaite/acl/__init__.py
+++ b/src/primaite/acl/__init__.py
@@ -1,2 +1,2 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Access Control List. Models firewall functionality."""
diff --git a/src/primaite/acl/access_control_list.py b/src/primaite/acl/access_control_list.py
index c61b0c10..88943f8f 100644
--- a/src/primaite/acl/access_control_list.py
+++ b/src/primaite/acl/access_control_list.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """A class that implements the access control list implementation for the network."""
 import logging
 from typing import Dict, Final, List, Union
diff --git a/src/primaite/acl/acl_rule.py b/src/primaite/acl/acl_rule.py
index 53c860cd..9c8deacd 100644
--- a/src/primaite/acl/acl_rule.py
+++ b/src/primaite/acl/acl_rule.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """A class that implements an access control list rule."""
 from primaite.common.enums import RulePermissionType
 
diff --git a/src/primaite/agents/__init__.py b/src/primaite/agents/__init__.py
index d987b43f..c742daf3 100644
--- a/src/primaite/agents/__init__.py
+++ b/src/primaite/agents/__init__.py
@@ -1,2 +1,2 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Common interface between RL agents from different libraries and PrimAITE."""
diff --git a/src/primaite/agents/agent_abc.py b/src/primaite/agents/agent_abc.py
index 3fd53869..48650139 100644
--- a/src/primaite/agents/agent_abc.py
+++ b/src/primaite/agents/agent_abc.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 from __future__ import annotations
 
 import json
diff --git a/src/primaite/agents/hardcoded_abc.py b/src/primaite/agents/hardcoded_abc.py
index 0336f00e..e75edbc5 100644
--- a/src/primaite/agents/hardcoded_abc.py
+++ b/src/primaite/agents/hardcoded_abc.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 import time
 from abc import abstractmethod
 from pathlib import Path
diff --git a/src/primaite/agents/hardcoded_acl.py b/src/primaite/agents/hardcoded_acl.py
index b8c49c14..2440da06 100644
--- a/src/primaite/agents/hardcoded_acl.py
+++ b/src/primaite/agents/hardcoded_acl.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 from typing import Dict, List, Union
 
 import numpy as np
diff --git a/src/primaite/agents/hardcoded_node.py b/src/primaite/agents/hardcoded_node.py
index 10cc2b72..b08d8967 100644
--- a/src/primaite/agents/hardcoded_node.py
+++ b/src/primaite/agents/hardcoded_node.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 import numpy as np
 
 from primaite.agents.hardcoded_abc import HardCodedAgentSessionABC
diff --git a/src/primaite/agents/rllib.py b/src/primaite/agents/rllib.py
index fb062f54..ab1b3af3 100644
--- a/src/primaite/agents/rllib.py
+++ b/src/primaite/agents/rllib.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 from __future__ import annotations
 
 import json
diff --git a/src/primaite/agents/sb3.py b/src/primaite/agents/sb3.py
index b347d44f..783f57eb 100644
--- a/src/primaite/agents/sb3.py
+++ b/src/primaite/agents/sb3.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 from __future__ import annotations
 
 import json
diff --git a/src/primaite/agents/simple.py b/src/primaite/agents/simple.py
index 18ffa72b..bfdff869 100644
--- a/src/primaite/agents/simple.py
+++ b/src/primaite/agents/simple.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 
 import numpy as np
 
diff --git a/src/primaite/agents/utils.py b/src/primaite/agents/utils.py
index ff0ca8d2..08d46294 100644
--- a/src/primaite/agents/utils.py
+++ b/src/primaite/agents/utils.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 from typing import Dict, List, Union
 
 import numpy as np
diff --git a/src/primaite/cli.py b/src/primaite/cli.py
index 2ab3ed2e..bd0c8446 100644
--- a/src/primaite/cli.py
+++ b/src/primaite/cli.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Provides a CLI using Typer as an entry point."""
 import logging
 import os
diff --git a/src/primaite/common/__init__.py b/src/primaite/common/__init__.py
index 738a30d1..5770bcbc 100644
--- a/src/primaite/common/__init__.py
+++ b/src/primaite/common/__init__.py
@@ -1,2 +1,2 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Objects which are shared between many PrimAITE modules."""
diff --git a/src/primaite/common/enums.py b/src/primaite/common/enums.py
index d74ec795..006301f1 100644
--- a/src/primaite/common/enums.py
+++ b/src/primaite/common/enums.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Enumerations for APE."""
 
 from enum import Enum, IntEnum
diff --git a/src/primaite/common/protocol.py b/src/primaite/common/protocol.py
index 048ed0ab..6940ba3f 100644
--- a/src/primaite/common/protocol.py
+++ b/src/primaite/common/protocol.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """The protocol class."""
 
 
diff --git a/src/primaite/common/service.py b/src/primaite/common/service.py
index 7ee694db..956815e8 100644
--- a/src/primaite/common/service.py
+++ b/src/primaite/common/service.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """The Service class."""
 
 from primaite.common.enums import SoftwareState
diff --git a/src/primaite/config/__init__.py b/src/primaite/config/__init__.py
index 9bd899f7..92f5a7d2 100644
--- a/src/primaite/config/__init__.py
+++ b/src/primaite/config/__init__.py
@@ -1,2 +1,2 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Configuration parameters for running experiments."""
diff --git a/src/primaite/config/lay_down_config.py b/src/primaite/config/lay_down_config.py
index aef6790f..65ca7e91 100644
--- a/src/primaite/config/lay_down_config.py
+++ b/src/primaite/config/lay_down_config.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 from logging import Logger
 from pathlib import Path
 from typing import Any, Dict, Final, Union
diff --git a/src/primaite/config/training_config.py b/src/primaite/config/training_config.py
index b68a4f7b..ebfee09a 100644
--- a/src/primaite/config/training_config.py
+++ b/src/primaite/config/training_config.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 from __future__ import annotations
 
 from dataclasses import dataclass, field
diff --git a/src/primaite/data_viz/__init__.py b/src/primaite/data_viz/__init__.py
index ad43c141..260579da 100644
--- a/src/primaite/data_viz/__init__.py
+++ b/src/primaite/data_viz/__init__.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Utility to generate plots of sessions metrics after PrimAITE."""
 from enum import Enum
 
diff --git a/src/primaite/data_viz/session_plots.py b/src/primaite/data_viz/session_plots.py
index f66fe99d..37750353 100644
--- a/src/primaite/data_viz/session_plots.py
+++ b/src/primaite/data_viz/session_plots.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 from pathlib import Path
 from typing import Dict, Optional, Union
 
diff --git a/src/primaite/environment/__init__.py b/src/primaite/environment/__init__.py
index e837fe1e..f0fd21b9 100644
--- a/src/primaite/environment/__init__.py
+++ b/src/primaite/environment/__init__.py
@@ -1,2 +1,2 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Gym/Gymnasium environment for RL agents consisting of a simulated computer network."""
diff --git a/src/primaite/environment/observations.py b/src/primaite/environment/observations.py
index a0423b89..383a9b5a 100644
--- a/src/primaite/environment/observations.py
+++ b/src/primaite/environment/observations.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Module for handling configurable observation spaces in PrimAITE."""
 import logging
 from abc import ABC, abstractmethod
diff --git a/src/primaite/environment/primaite_env.py b/src/primaite/environment/primaite_env.py
index 6a145498..cde586ed 100644
--- a/src/primaite/environment/primaite_env.py
+++ b/src/primaite/environment/primaite_env.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Main environment module containing the PRIMmary AI Training Evironment (Primaite) class."""
 import copy
 import logging
diff --git a/src/primaite/environment/reward.py b/src/primaite/environment/reward.py
index 92ef89ec..aa9dc97d 100644
--- a/src/primaite/environment/reward.py
+++ b/src/primaite/environment/reward.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Implements reward function."""
 from logging import Logger
 from typing import Dict, TYPE_CHECKING, Union
diff --git a/src/primaite/exceptions.py b/src/primaite/exceptions.py
index 7ccfadd9..3b4058ac 100644
--- a/src/primaite/exceptions.py
+++ b/src/primaite/exceptions.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 class PrimaiteError(Exception):
     """The root PrimAITe Error."""
 
diff --git a/src/primaite/links/__init__.py b/src/primaite/links/__init__.py
index 21ce44ba..c91b6951 100644
--- a/src/primaite/links/__init__.py
+++ b/src/primaite/links/__init__.py
@@ -1,2 +1,2 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Network connections between nodes in the simulation."""
diff --git a/src/primaite/links/link.py b/src/primaite/links/link.py
index aa3fa7fb..3830a15b 100644
--- a/src/primaite/links/link.py
+++ b/src/primaite/links/link.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """The link class."""
 from typing import List
 
diff --git a/src/primaite/main.py b/src/primaite/main.py
index aed39d73..03f4fb35 100644
--- a/src/primaite/main.py
+++ b/src/primaite/main.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """The main PrimAITE session runner module."""
 import argparse
 from pathlib import Path
diff --git a/src/primaite/nodes/__init__.py b/src/primaite/nodes/__init__.py
index 43b213d6..231b8d92 100644
--- a/src/primaite/nodes/__init__.py
+++ b/src/primaite/nodes/__init__.py
@@ -1,2 +1,2 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Nodes represent network hosts in the simulation."""
diff --git a/src/primaite/nodes/active_node.py b/src/primaite/nodes/active_node.py
index b5df70b5..8f472e86 100644
--- a/src/primaite/nodes/active_node.py
+++ b/src/primaite/nodes/active_node.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """An Active Node (i.e. not an actuator)."""
 import logging
 from typing import Final
diff --git a/src/primaite/nodes/node.py b/src/primaite/nodes/node.py
index 9118fa46..fc4d41d3 100644
--- a/src/primaite/nodes/node.py
+++ b/src/primaite/nodes/node.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """The base Node class."""
 from typing import Final
 
diff --git a/src/primaite/nodes/node_state_instruction_green.py b/src/primaite/nodes/node_state_instruction_green.py
index 8e03b40f..6e35d0ec 100644
--- a/src/primaite/nodes/node_state_instruction_green.py
+++ b/src/primaite/nodes/node_state_instruction_green.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Defines node behaviour for Green PoL."""
 from typing import TYPE_CHECKING, Union
 
diff --git a/src/primaite/nodes/node_state_instruction_red.py b/src/primaite/nodes/node_state_instruction_red.py
index fd9a93a5..eb87924b 100644
--- a/src/primaite/nodes/node_state_instruction_red.py
+++ b/src/primaite/nodes/node_state_instruction_red.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Defines node behaviour for Green PoL."""
 from typing import TYPE_CHECKING, Union
 
diff --git a/src/primaite/nodes/passive_node.py b/src/primaite/nodes/passive_node.py
index 88c8cc85..08dcbfa2 100644
--- a/src/primaite/nodes/passive_node.py
+++ b/src/primaite/nodes/passive_node.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """The Passive Node class (i.e. an actuator)."""
 from primaite.common.enums import HardwareState, NodeType, Priority
 from primaite.config.training_config import TrainingConfig
diff --git a/src/primaite/nodes/service_node.py b/src/primaite/nodes/service_node.py
index ce1ffe92..b0d42785 100644
--- a/src/primaite/nodes/service_node.py
+++ b/src/primaite/nodes/service_node.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """A Service Node (i.e. not an actuator)."""
 import logging
 from typing import Dict, Final
diff --git a/src/primaite/notebooks/__init__.py b/src/primaite/notebooks/__init__.py
index 1599d28d..bc1dcfcd 100644
--- a/src/primaite/notebooks/__init__.py
+++ b/src/primaite/notebooks/__init__.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Contains default jupyter notebooks which demonstrate PrimAITE functionality."""
 
 import importlib.util
diff --git a/src/primaite/pol/__init__.py b/src/primaite/pol/__init__.py
index 1adb1491..d0d9f616 100644
--- a/src/primaite/pol/__init__.py
+++ b/src/primaite/pol/__init__.py
@@ -1,2 +1,2 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Pattern of Life- Represents the actions of users on the network."""
diff --git a/src/primaite/pol/green_pol.py b/src/primaite/pol/green_pol.py
index 0425a831..814aa314 100644
--- a/src/primaite/pol/green_pol.py
+++ b/src/primaite/pol/green_pol.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Implements Pattern of Life on the network (nodes and links)."""
 from typing import Dict
 
diff --git a/src/primaite/pol/ier.py b/src/primaite/pol/ier.py
index 7fab340d..b8da28c0 100644
--- a/src/primaite/pol/ier.py
+++ b/src/primaite/pol/ier.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """
 Information Exchange Requirements for APE.
 
diff --git a/src/primaite/pol/red_agent_pol.py b/src/primaite/pol/red_agent_pol.py
index 89aa3303..ca1a58da 100644
--- a/src/primaite/pol/red_agent_pol.py
+++ b/src/primaite/pol/red_agent_pol.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Implements POL on the network (nodes and links) resulting from the red agent attack."""
 from typing import Dict
 
diff --git a/src/primaite/primaite_session.py b/src/primaite/primaite_session.py
index 9203122a..c64b51fb 100644
--- a/src/primaite/primaite_session.py
+++ b/src/primaite/primaite_session.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Main entry point to PrimAITE. Configure training/evaluation experiments and input/output."""
 from __future__ import annotations
 
diff --git a/src/primaite/setup/__init__.py b/src/primaite/setup/__init__.py
index acfa48c4..12b77f1e 100644
--- a/src/primaite/setup/__init__.py
+++ b/src/primaite/setup/__init__.py
@@ -1,2 +1,2 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Utilities to prepare the user's data folders."""
diff --git a/src/primaite/setup/old_installation_clean_up.py b/src/primaite/setup/old_installation_clean_up.py
index d23abf3c..412aed60 100644
--- a/src/primaite/setup/old_installation_clean_up.py
+++ b/src/primaite/setup/old_installation_clean_up.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 
 from primaite import getLogger
 
diff --git a/src/primaite/setup/reset_demo_notebooks.py b/src/primaite/setup/reset_demo_notebooks.py
index 1bc217f8..1f96c90f 100644
--- a/src/primaite/setup/reset_demo_notebooks.py
+++ b/src/primaite/setup/reset_demo_notebooks.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 import filecmp
 import os
 import shutil
diff --git a/src/primaite/setup/reset_example_configs.py b/src/primaite/setup/reset_example_configs.py
index e53d04e2..41345853 100644
--- a/src/primaite/setup/reset_example_configs.py
+++ b/src/primaite/setup/reset_example_configs.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 import filecmp
 import os
 import shutil
diff --git a/src/primaite/transactions/__init__.py b/src/primaite/transactions/__init__.py
index 9a881fd5..505c5080 100644
--- a/src/primaite/transactions/__init__.py
+++ b/src/primaite/transactions/__init__.py
@@ -1,2 +1,2 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Record data of the system's state and agent's observations and actions."""
diff --git a/src/primaite/transactions/transaction.py b/src/primaite/transactions/transaction.py
index 1a702748..7d5f747c 100644
--- a/src/primaite/transactions/transaction.py
+++ b/src/primaite/transactions/transaction.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """The Transaction class."""
 from datetime import datetime
 from typing import List, Optional, Tuple, TYPE_CHECKING, Union
diff --git a/src/primaite/utils/__init__.py b/src/primaite/utils/__init__.py
index 5dbd1e5f..4f9deb13 100644
--- a/src/primaite/utils/__init__.py
+++ b/src/primaite/utils/__init__.py
@@ -1,2 +1,2 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Utilities for PrimAITE."""
diff --git a/src/primaite/utils/package_data.py b/src/primaite/utils/package_data.py
index 96157b40..ac41e8bc 100644
--- a/src/primaite/utils/package_data.py
+++ b/src/primaite/utils/package_data.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 import os
 from logging import Logger
 from pathlib import Path
diff --git a/src/primaite/utils/session_metadata_parser.py b/src/primaite/utils/session_metadata_parser.py
index 0b0eaaec..2548a8b6 100644
--- a/src/primaite/utils/session_metadata_parser.py
+++ b/src/primaite/utils/session_metadata_parser.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 import json
 from pathlib import Path
 from typing import Any, Dict, Union
diff --git a/src/primaite/utils/session_output_reader.py b/src/primaite/utils/session_output_reader.py
index db761a34..30febff1 100644
--- a/src/primaite/utils/session_output_reader.py
+++ b/src/primaite/utils/session_output_reader.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 from pathlib import Path
 from typing import Any, Dict, Tuple, Union
 
diff --git a/src/primaite/utils/session_output_writer.py b/src/primaite/utils/session_output_writer.py
index e7f1b248..0eb18038 100644
--- a/src/primaite/utils/session_output_writer.py
+++ b/src/primaite/utils/session_output_writer.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 import csv
 from logging import Logger
 from typing import Final, List, Tuple, TYPE_CHECKING, Union
diff --git a/tests/__init__.py b/tests/__init__.py
index f8e6fc55..5a06b646 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 from pathlib import Path
 from typing import Final
 
diff --git a/tests/config/legacy_conversion/legacy_training_config.yaml b/tests/config/legacy_conversion/legacy_training_config.yaml
index fb24e3d7..3477e6e0 100644
--- a/tests/config/legacy_conversion/legacy_training_config.yaml
+++ b/tests/config/legacy_conversion/legacy_training_config.yaml
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 # Main Config File
 
 # Generic config values
diff --git a/tests/config/legacy_conversion/new_training_config.yaml b/tests/config/legacy_conversion/new_training_config.yaml
index 3df29d04..1ec36e97 100644
--- a/tests/config/legacy_conversion/new_training_config.yaml
+++ b/tests/config/legacy_conversion/new_training_config.yaml
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 # Main Config File
 
 # Generic config values
diff --git a/tests/config/obs_tests/laydown.yaml b/tests/config/obs_tests/laydown.yaml
index 4ab44755..e358d0d2 100644
--- a/tests/config/obs_tests/laydown.yaml
+++ b/tests/config/obs_tests/laydown.yaml
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 - item_type: PORTS
   ports_list:
     - port: '80'
diff --git a/tests/config/obs_tests/main_config_LINK_TRAFFIC_LEVELS.yaml b/tests/config/obs_tests/main_config_LINK_TRAFFIC_LEVELS.yaml
index 689d6bb4..805ab31e 100644
--- a/tests/config/obs_tests/main_config_LINK_TRAFFIC_LEVELS.yaml
+++ b/tests/config/obs_tests/main_config_LINK_TRAFFIC_LEVELS.yaml
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 # Training Config File
 
 # Sets which agent algorithm framework will be used.
diff --git a/tests/config/obs_tests/main_config_NODE_LINK_TABLE.yaml b/tests/config/obs_tests/main_config_NODE_LINK_TABLE.yaml
index 885f7e79..535558aa 100644
--- a/tests/config/obs_tests/main_config_NODE_LINK_TABLE.yaml
+++ b/tests/config/obs_tests/main_config_NODE_LINK_TABLE.yaml
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 # Training Config File
 
 # Sets which agent algorithm framework will be used.
diff --git a/tests/config/obs_tests/main_config_NODE_STATUSES.yaml b/tests/config/obs_tests/main_config_NODE_STATUSES.yaml
index c662e715..d1319c35 100644
--- a/tests/config/obs_tests/main_config_NODE_STATUSES.yaml
+++ b/tests/config/obs_tests/main_config_NODE_STATUSES.yaml
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 # Training Config File
 
 # Sets which agent algorithm framework will be used.
diff --git a/tests/config/obs_tests/main_config_without_obs.yaml b/tests/config/obs_tests/main_config_without_obs.yaml
index a2af9763..26457c84 100644
--- a/tests/config/obs_tests/main_config_without_obs.yaml
+++ b/tests/config/obs_tests/main_config_without_obs.yaml
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 # Training Config File
 
 # Sets which agent algorithm framework will be used.
diff --git a/tests/config/one_node_states_on_off_lay_down_config.yaml b/tests/config/one_node_states_on_off_lay_down_config.yaml
index 65257d62..0f572d8d 100644
--- a/tests/config/one_node_states_on_off_lay_down_config.yaml
+++ b/tests/config/one_node_states_on_off_lay_down_config.yaml
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 - item_type: PORTS
   ports_list:
   - port: '21'
diff --git a/tests/config/one_node_states_on_off_main_config.yaml b/tests/config/one_node_states_on_off_main_config.yaml
index dbe4256f..10af7a1f 100644
--- a/tests/config/one_node_states_on_off_main_config.yaml
+++ b/tests/config/one_node_states_on_off_main_config.yaml
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 # Training Config File
 
 # Sets which agent algorithm framework will be used.
diff --git a/tests/config/ppo_not_seeded_training_config.yaml b/tests/config/ppo_not_seeded_training_config.yaml
index 2160a3a3..fac2fe95 100644
--- a/tests/config/ppo_not_seeded_training_config.yaml
+++ b/tests/config/ppo_not_seeded_training_config.yaml
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 # Training Config File
 
 # Sets which agent algorithm framework will be used.
diff --git a/tests/config/ppo_seeded_training_config.yaml b/tests/config/ppo_seeded_training_config.yaml
index 7512dc85..e4d4fe5b 100644
--- a/tests/config/ppo_seeded_training_config.yaml
+++ b/tests/config/ppo_seeded_training_config.yaml
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 # Training Config File
 
 # Sets which agent algorithm framework will be used.
diff --git a/tests/config/session_test/training_config_main_rllib.yaml b/tests/config/session_test/training_config_main_rllib.yaml
index 118b2d4e..374c6ac5 100644
--- a/tests/config/session_test/training_config_main_rllib.yaml
+++ b/tests/config/session_test/training_config_main_rllib.yaml
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 # Training Config File
 
 # Sets which agent algorithm framework will be used.
diff --git a/tests/config/session_test/training_config_main_sb3.yaml b/tests/config/session_test/training_config_main_sb3.yaml
index 9065bf8a..733105ea 100644
--- a/tests/config/session_test/training_config_main_sb3.yaml
+++ b/tests/config/session_test/training_config_main_sb3.yaml
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 # Training Config File
 
 # Sets which agent algorithm framework will be used.
diff --git a/tests/config/single_action_space_fixed_blue_actions_main_config.yaml b/tests/config/single_action_space_fixed_blue_actions_main_config.yaml
index 644d5912..6210cf3e 100644
--- a/tests/config/single_action_space_fixed_blue_actions_main_config.yaml
+++ b/tests/config/single_action_space_fixed_blue_actions_main_config.yaml
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 # Training Config File
 
 # Sets which agent algorithm framework will be used.
diff --git a/tests/config/single_action_space_lay_down_config.yaml b/tests/config/single_action_space_lay_down_config.yaml
index 866eebe8..9103e2b7 100644
--- a/tests/config/single_action_space_lay_down_config.yaml
+++ b/tests/config/single_action_space_lay_down_config.yaml
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 - item_type: PORTS
   ports_list:
   - port: '80'
diff --git a/tests/config/single_action_space_main_config.yaml b/tests/config/single_action_space_main_config.yaml
index deaad090..67eaf49d 100644
--- a/tests/config/single_action_space_main_config.yaml
+++ b/tests/config/single_action_space_main_config.yaml
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 # Training Config File
 
 # Sets which agent algorithm framework will be used.
diff --git a/tests/config/test_random_red_main_config.yaml b/tests/config/test_random_red_main_config.yaml
index 3416029c..310c9dc6 100644
--- a/tests/config/test_random_red_main_config.yaml
+++ b/tests/config/test_random_red_main_config.yaml
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 # Training Config File
 
 # Sets which agent algorithm framework will be used.
diff --git a/tests/config/train_episode_step.yaml b/tests/config/train_episode_step.yaml
index 31337b0c..a86e0f62 100644
--- a/tests/config/train_episode_step.yaml
+++ b/tests/config/train_episode_step.yaml
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 # Training Config File
 
 # Sets which agent algorithm framework will be used.
diff --git a/tests/conftest.py b/tests/conftest.py
index 9e448574..f40b0b94 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 import datetime
 import shutil
 import tempfile
diff --git a/tests/mock_and_patch/__init__.py b/tests/mock_and_patch/__init__.py
index 778748f7..e0315ce3 100644
--- a/tests/mock_and_patch/__init__.py
+++ b/tests/mock_and_patch/__init__.py
@@ -1 +1 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
diff --git a/tests/mock_and_patch/get_session_path_mock.py b/tests/mock_and_patch/get_session_path_mock.py
index 190e1dba..16c4a274 100644
--- a/tests/mock_and_patch/get_session_path_mock.py
+++ b/tests/mock_and_patch/get_session_path_mock.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 import tempfile
 from datetime import datetime
 from pathlib import Path
diff --git a/tests/test_acl.py b/tests/test_acl.py
index 3491aab8..d8357cf6 100644
--- a/tests/test_acl.py
+++ b/tests/test_acl.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Used to tes the ACL functions."""
 
 from primaite.acl.access_control_list import AccessControlList
diff --git a/tests/test_active_node.py b/tests/test_active_node.py
index 880c0f02..44d38313 100644
--- a/tests/test_active_node.py
+++ b/tests/test_active_node.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Used to test Active Node functions."""
 import pytest
 
diff --git a/tests/test_observation_space.py b/tests/test_observation_space.py
index c4a9789c..ff3528e1 100644
--- a/tests/test_observation_space.py
+++ b/tests/test_observation_space.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Test env creation and behaviour with different observation spaces."""
 
 import numpy as np
diff --git a/tests/test_primaite_session.py b/tests/test_primaite_session.py
index 4b7b91ac..b76a2ecf 100644
--- a/tests/test_primaite_session.py
+++ b/tests/test_primaite_session.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 import os
 
 import pytest
diff --git a/tests/test_red_random_agent_behaviour.py b/tests/test_red_random_agent_behaviour.py
index 3496ed9d..e99f4adb 100644
--- a/tests/test_red_random_agent_behaviour.py
+++ b/tests/test_red_random_agent_behaviour.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 import pytest
 
 from primaite.config.lay_down_config import data_manipulation_config_path
diff --git a/tests/test_resetting_node.py b/tests/test_resetting_node.py
index 80e13c5b..d4e27c17 100644
--- a/tests/test_resetting_node.py
+++ b/tests/test_resetting_node.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Used to test Active Node functions."""
 import pytest
 
diff --git a/tests/test_reward.py b/tests/test_reward.py
index 741c6f13..2ac66af1 100644
--- a/tests/test_reward.py
+++ b/tests/test_reward.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 import pytest
 
 from primaite import getLogger
diff --git a/tests/test_seeding_and_deterministic_session.py b/tests/test_seeding_and_deterministic_session.py
index c4b47d5f..70ce229e 100644
--- a/tests/test_seeding_and_deterministic_session.py
+++ b/tests/test_seeding_and_deterministic_session.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 import pytest as pytest
 
 from primaite.config.lay_down_config import dos_very_basic_config_path
diff --git a/tests/test_service_node.py b/tests/test_service_node.py
index 2f504cd6..906bcf55 100644
--- a/tests/test_service_node.py
+++ b/tests/test_service_node.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 """Used to test Service Node functions."""
 import pytest
 
diff --git a/tests/test_session_loading.py b/tests/test_session_loading.py
index 714b363f..f9990f76 100644
--- a/tests/test_session_loading.py
+++ b/tests/test_session_loading.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 import os.path
 import shutil
 import tempfile
diff --git a/tests/test_single_action_space.py b/tests/test_single_action_space.py
index b91bc2bf..5d300232 100644
--- a/tests/test_single_action_space.py
+++ b/tests/test_single_action_space.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 import time
 
 import pytest
diff --git a/tests/test_train_eval_episode_steps.py b/tests/test_train_eval_episode_steps.py
index 4f7bed16..1b53fe9d 100644
--- a/tests/test_train_eval_episode_steps.py
+++ b/tests/test_train_eval_episode_steps.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 import pytest
 
 from primaite import getLogger
diff --git a/tests/test_training_config.py b/tests/test_training_config.py
index 4123ee39..58f9c797 100644
--- a/tests/test_training_config.py
+++ b/tests/test_training_config.py
@@ -1,4 +1,4 @@
-# Crown Owned Copyright (C) Dstl 2023. DEFCON 703. Shared in confidence.
+# © Crown-owned copyright 2023, Defence Science and Technology Laboratory UK
 import yaml
 
 from primaite.config import training_config