Update how-to-use-shared-image-gallery.md

Author: adamasmar

articles/lab-services/how-to-use-shared-image-gallery.md

@@ -33,8 +33,8 @@ Here are the couple of scenarios supported by this feature:
 - Image must be replicated to the same region as the lab plan.
 
 ## Save an image to a compute gallery
-
-After a compute gallery is attached, an educator can save an image to the compute gallery so that it can be reused by other educators.
+> [!IMPORTANT]
+> Images can only be saved from Labs that were created in the same region as their Lab Plan.
 
 1. On the **Template** page for the lab, select **Export to Azure Compute Gallery** on the toolbar.
 
@@ -93,4 +93,4 @@ To learn about how to set up a compute gallery by attaching and detaching it to
 
 To explore other options for bringing custom images to compute gallery outside of the context of a lab, see [Recommended approaches for creating custom images](approaches-for-custom-image-creation.md).
 
-For more information about compute galleries in general, see [Azure Compute Gallery overview](../virtual-machines/shared-image-galleries.md).
+For more information about compute galleries in general, see [Azure Compute Gallery overview](../virtual-machines/shared-image-galleries.md).