Update move-resource-group-and-subscription.md

Explain that the lock cannot be in the resource group or subscription. Not to get confused that the lock doesn't have to be in the resource, as sometimes the resources can have a read only lock while moving.

Author: tachyontec

articles/azure-resource-manager/management/move-resource-group-and-subscription.md

@@ -20,7 +20,7 @@ If your move requires setting up new dependent resources, you'll experience an i
 Moving a resource only moves it to a new resource group or subscription. It doesn't change the location of the resource.
 
 > [!NOTE]  
-> You can't move Azure resources to another resource group or another subscription if there's a read-only lock, whether in the source or in the destination. 
+> Azure resources can't be moved if a read-only lock exists on the source or destination resource group or subscription.
 
 ## Changed resource ID