Fixed link & "Important" header

Author: v-tappelgate

support/azure/virtual-machines/windows/troubleshoot-activation-problems.md

@@ -38,8 +38,8 @@ Azure uses different endpoints for Key Management Services (KMS) activation depe
 
 To troubleshoot a Windows activation issue, follow these steps:
 
-> [!Important]
-> If you're experiencing Azure virtual machine (VM) Windows activation issues, see [Troubleshooting tools for Windows activation issues on Azure virtual machines](windows-activation-troubleshoot-tools).
+> [!IMPORTANT]  
+> If you're experiencing Azure virtual machine (VM) Windows activation issues, see [Troubleshooting tools for Windows activation issues on Azure virtual machines](windows-activation-troubleshoot-tools.md).
 
 1. Get the error message and the error code: