diff --git a/10-Retriever/01-VectorStoreRetriever.ipynb b/10-Retriever/01-VectorStoreRetriever.ipynb
index 4bc9af5ed..4c342acf8 100644
--- a/10-Retriever/01-VectorStoreRetriever.ipynb
+++ b/10-Retriever/01-VectorStoreRetriever.ipynb
@@ -132,7 +132,7 @@
     "    {\n",
     "        # \"OPENAI_API_KEY\": \"\",\n",
     "        # \"LANGCHAIN_API_KEY\": \"\",\n",
-    "        # UPSTAGE_API_KEY=\"\",\n",
+    "        # \"UPSTAGE_API_KEY\": \"\",\n",
     "        \"LANGCHAIN_TRACING_V2\": \"true\",\n",
     "        \"LANGCHAIN_ENDPOINT\": \"https://api.smith.langchain.com\",\n",
     "        \"LANGCHAIN_PROJECT\": \"VectorStore Retriever\"\n",