diff --git a/docs/docs/expression_language/cookbook/memory.ipynb b/docs/docs/expression_language/cookbook/memory.ipynb
index c309c183f9..c6ab96f0f1 100644
--- a/docs/docs/expression_language/cookbook/memory.ipynb
+++ b/docs/docs/expression_language/cookbook/memory.ipynb
@@ -73,7 +73,7 @@
    "source": [
     "chain = (\n",
     "    RunnablePassthrough.assign(\n",
-    "        memory=RunnableLambda(memory.load_memory_variables) | itemgetter(\"history\")\n",
+    "        history=RunnableLambda(memory.load_memory_variables) | itemgetter(\"history\")\n",
     "    )\n",
     "    | prompt\n",
     "    | model\n",