diff --git a/docs/docs/how_to/output_parser_structured.ipynb b/docs/docs/how_to/output_parser_structured.ipynb
index aaff800f954..f205cd0b550 100644
--- a/docs/docs/how_to/output_parser_structured.ipynb
+++ b/docs/docs/how_to/output_parser_structured.ipynb
@@ -214,7 +214,7 @@
    "id": "3ca23082-c602-4ee8-af8c-a185b1f42bd1",
    "metadata": {},
    "source": [
-    "While the PydanticOutputParser cannot:"
+    "While the `PydanticOutputParser` cannot:"
    ]
   },
   {