diff --git a/examples/autogen_examples/autogen/agentchat/contrib/retrieve_user_proxy_agent.py b/examples/autogen_examples/autogen/agentchat/contrib/retrieve_user_proxy_agent.py
index 476c7c0..3324712 100644
--- a/examples/autogen_examples/autogen/agentchat/contrib/retrieve_user_proxy_agent.py
+++ b/examples/autogen_examples/autogen/agentchat/contrib/retrieve_user_proxy_agent.py
@@ -8,7 +8,7 @@
 try:
     import chromadb
 except ImportError:
-    raise ImportError("Please install dependencies first. `pip install pyautogen[retrievechat]`")
+    raise ImportError("Please install dependencies first. `pip install ag2[retrievechat]`")
 from autogen.agentchat import UserProxyAgent
 from autogen.agentchat.agent import Agent
 from autogen.agentchat.contrib.vectordb.base import Document, QueryResults, VectorDB, VectorDBFactory