diff --git a/notebook/agentchat_function_call_currency_calculator.ipynb b/notebook/agentchat_function_call_currency_calculator.ipynb
index d6ce5a88762a..ac65ba560f9b 100644
--- a/notebook/agentchat_function_call_currency_calculator.ipynb
+++ b/notebook/agentchat_function_call_currency_calculator.ipynb
@@ -224,7 +224,7 @@
     "\n",
     "- objects of the Pydantic BaseModel type are serialized to JSON.\n",
     "\n",
-    "We can check the correctness of of function map by using `._origin` property of the wrapped function as follows:"
+    "We can check the correctness of function map by using `._origin` property of the wrapped function as follows:"
    ]
   },
   {