diff --git a/notebooks/llms/langchain/readthedocs_rag_zilliz.ipynb b/notebooks/llms/langchain/readthedocs_rag_zilliz.ipynb
index 89919181c..3f4c209a0 100755
--- a/notebooks/llms/langchain/readthedocs_rag_zilliz.ipynb
+++ b/notebooks/llms/langchain/readthedocs_rag_zilliz.ipynb
@@ -5,7 +5,7 @@
    "id": "369c3444",
    "metadata": {},
    "source": [
-    "# ReadtheDocs Retrieval Augmented Generation (RAG) using Milvus Client"
+    "# ReadtheDocs Retrieval Augmented Generation (RAG) using Zilliz Free Tier"
    ]
   },
   {