Update gradio-client.mdx

Author: SaiHarshaK

units/en/unit2/gradio-client.mdx

@@ -166,12 +166,14 @@ smolagents[mcp]
 4. Push your code to the Space:
 ```bash
 git init
-git add server.py requirements.txt
+git add app.py requirements.txt
 git commit -m "Initial commit"
 git remote add origin https://huggingface.co/spaces/YOUR_USERNAME/mcp-client
 git push -u origin main
 ```
 
+Note: While adding remote origin, Refer to [password-git-deprecation](https://huggingface.co/blog/password-git-deprecation) for adding with AccessToken.
+
 ## Conclusion
 
 In this section, we've explored how to use Gradio as an MCP Client to connect to an MCP Server. We've also seen how to deploy the MCP Client in Hugging Face Spaces.