diff --git a/src/primaite/notebooks/Using-Episode-Schedules.ipynb b/src/primaite/notebooks/Using-Episode-Schedules.ipynb
index 14012264..cb06e0f9 100644
--- a/src/primaite/notebooks/Using-Episode-Schedules.ipynb
+++ b/src/primaite/notebooks/Using-Episode-Schedules.ipynb
@@ -199,7 +199,7 @@
    "metadata": {},
    "source": [
     "### Episode 0\n",
-    "Let' run the episodes to verify that the agents are changing as expected. In episode 0, there should be no green or red agents, just the defender blue agent."
+    "Let's run the episodes to verify that the agents are changing as expected. In episode 0, there should be no green or red agents, just the defender blue agent."
    ]
   },
   {