Merge pull request #124149 from Padmini2303/patch-1

Update disks-copy-incremental-snapshot-across-regions.md

Author: ShannonLeavitt

articles/virtual-machines/disks-copy-incremental-snapshot-across-regions.md

@@ -26,6 +26,8 @@ This article covers copying an incremental snapshot from one region to another.
 - If you use the REST API, you must use version 2020-12-01 or newer of the Azure Compute REST API.
 - You can only copy one incremental snapshot of a particular disk at a time.
 - Snapshots must be copied in the order they were created.
+- Only incremental snapshots can be copied across regions. Full snapshots can't be copied across regions.
+
 
 ## Managed copy