diff --git a/src/primaite/notebooks/multi-processing.ipynb b/src/primaite/notebooks/multi-processing.ipynb
index 7085e4b6..1807d39c 100644
--- a/src/primaite/notebooks/multi-processing.ipynb
+++ b/src/primaite/notebooks/multi-processing.ipynb
@@ -4,7 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Simple multi-processing demonstration \n",
+    "## Simple multi-processing demonstration\n",
     "\n",
     "© Crown-owned copyright 2024, Defence Science and Technology Laboratory UK\n",
     "\n",