Fix link

Author: zackliu

articles/azure-web-pubsub/socketio-serverless-tutorial-python.md

@@ -15,7 +15,7 @@ This tutorial guides you through how to publish data to Socket.IO clients in Ser
 
 Find full code samples that are used in this tutorial:
 
-- [Socket.IO Serverless Python Sample](https://github.com/Azure/azure-webpubsub/tree/main/sdk/webpubsub-socketio-extension/examples/chat-serverless-javascript)
+- [Socket.IO Serverless Python Sample](https://github.com/Azure/azure-webpubsub/tree/main/sdk/webpubsub-socketio-extension/examples/publish-only-python)
 
 > [!IMPORTANT]
 > Default Mode needs a persistent server, you cannot integration Web PubSub for Socket.IO in default mode with Azure Function.

articles/azure-web-pubsub/socketio-serverless-tutorial.md

@@ -63,7 +63,7 @@ This command creates a JavaScript project. And enter the folder `SocketIOProject
     1. Run the command:
 
     ```bash
-    func extensions install -p Microsoft.Azure.WebJobs.Extensions.WebPubSubForSocketIO -v 1.0.0-beta.2
+    func extensions install -p Microsoft.Azure.WebJobs.Extensions.WebPubSubForSocketIO -v 1.0.0-beta.4
     ```
 
 1. Create a function for negotiation. The negotiation function used for generating endpoints and tokens for client to access the service.