diff --git a/docs/modules/chains/combine_docs_examples/vector_db_qa_with_sources.ipynb b/docs/modules/chains/combine_docs_examples/vector_db_qa_with_sources.ipynb
index 76541ee956..f7396a05cd 100644
--- a/docs/modules/chains/combine_docs_examples/vector_db_qa_with_sources.ipynb
+++ b/docs/modules/chains/combine_docs_examples/vector_db_qa_with_sources.ipynb
@@ -187,7 +187,7 @@
     }
    ],
    "source": [
-    "chain({\"question\": \"What did the president say about Justice Breyer\"}, return_only_outputs=True)"
+    "qa({\"question\": \"What did the president say about Justice Breyer\"}, return_only_outputs=True)"
    ]
   }
  ],