diff --git a/examples/memory/manage-conversation-history.ipynb b/examples/memory/manage-conversation-history.ipynb
index 066d38ad6..559112a4a 100644
--- a/examples/memory/manage-conversation-history.ipynb
+++ b/examples/memory/manage-conversation-history.ipynb
@@ -268,8 +268,8 @@
     "\n",
     "\n",
     "def filter_messages(messages: list):\n",
-    "    # This is very simple helper function which only ever uses the last two messages\n",
-    "    return messages[-2:]\n",
+    "    # This is very simple helper function which only ever uses the last message\n",
+    "    return messages[-1:]\n",
     "\n",
     "\n",
     "# Define the function that calls the model\n",
@@ -372,9 +372,9 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "langgraph-example-dev",
    "language": "python",
-   "name": "python3"
+   "name": "langgraph-example-dev"
   },
   "language_info": {
    "codemirror_mode": {
@@ -386,7 +386,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.1"
+   "version": "3.11.9"
   }
  },
  "nbformat": 4,