Highlight function on Start-SPOSiteRename.md

Is a good practie to highlight in the document that the feature is not enabled to all tenant, only for Preview

Author: esjimenezp

sharepoint/sharepoint-ps/sharepoint-online/Start-SPOSiteRename.md

@@ -11,7 +11,8 @@ ms.reviewer:
 # Start-SPOSiteRename
 
 ## SYNOPSIS
-This Feature is part of the Admin Center Preview. If your tenant is not part of the Admin Center Preview, you will get an error when trying to run this cmdlet. 
+> [!NOTE]
+>This Feature is part of the Admin Center Preview. If your tenant is not part of the Admin Center Preview, you will get an error when trying to run this cmdlet. 
 
 Starts a job to rename a site. You can change the title, the URL or both of a particular site on a SharePoint Online collection