fix ms.service tag

JialinXin · web-flow · commit ad46690dbaaf · 2023-04-27T14:02:17.000+08:00
diff --git a/articles/azure-web-pubsub/howto-troubleshoot-common-issues.md b/articles/azure-web-pubsub/howto-troubleshoot-common-issues.md
@@ -2,7 +2,7 @@
 title: "Troubleshooting guide for Azure Web PubSub Service"
 description: Learn how to troubleshoot common issues for Web PubSub
 author: JialinXin
-ms.service: signalr
+ms.service: azure-web-pubsub
 ms.topic: how-to
 ms.date: 04/28/2023
 ms.author: jixin
