diff --git a/src/primaite/game/agent/observations/file_system_observations.py b/src/primaite/game/agent/observations/file_system_observations.py
index bd130673..1c73d026 100644
--- a/src/primaite/game/agent/observations/file_system_observations.py
+++ b/src/primaite/game/agent/observations/file_system_observations.py
@@ -162,6 +162,9 @@ class FolderObservation(AbstractObservation, identifier="FOLDER"):
         :type num_files: int
         :param include_num_access: Whether to include the number of accesses to files in the observation.
         :type include_num_access: bool
+        :param file_system_requires_scan: If True, the folder must be scanned to update the health state. Tf False,
+            the true state is always shown.
+        :type file_system_requires_scan: bool
         """
         self.where: WhereType = where