diff --git a/docs/docs/how_to/migrate_agent.ipynb b/docs/docs/how_to/migrate_agent.ipynb
index 427d04a4ea0aa..05c88640ccefc 100644
--- a/docs/docs/how_to/migrate_agent.ipynb
+++ b/docs/docs/how_to/migrate_agent.ipynb
@@ -331,7 +331,7 @@
    "metadata": {},
    "source": [
     "We can also pass in an arbitrary function. This function should take in a list of messages and output a list of messages.\n",
-    "We can do all types of arbitrary formatting of messages here. In this cases, let's just add a SystemMessage to the start of the list of messages."
+    "We can do all types of arbitrary formatting of messages here. In this case, let's just add a SystemMessage to the start of the list of messages."
    ]
   },
   {