Edited the TOC

Author: SnehaSudhirG

articles/update-center/toc.yml

@@ -78,7 +78,7 @@
       href: troubleshoot.md
 - name: Guidance
   items:
-  - name: Migration from Microsoft Configuration Manager to Azure Update Manager
+  - name: Migration of Azure VMs from Microsoft Configuration Manager to Azure Update Manager
     href: guidance-migration-azure.md
   - name: Security awareness and Ubuntu Pro support
     href: security-awareness-ubuntu-support.md