diff --git a/docs/docs/use_cases/summarization.ipynb b/docs/docs/use_cases/summarization.ipynb
index dde55d81a76..82a5b16c667 100644
--- a/docs/docs/use_cases/summarization.ipynb
+++ b/docs/docs/use_cases/summarization.ipynb
@@ -356,7 +356,7 @@
    "source": [
     "# Reduce\n",
     "reduce_template = \"\"\"The following is set of summaries:\n",
-    "{doc_summaries}\n",
+    "{docs}\n",
     "Take these and distill it into a final, consolidated summary of the main themes. \n",
     "Helpful Answer:\"\"\"\n",
     "reduce_prompt = PromptTemplate.from_template(reduce_template)"