Update articles/operational-excellence/relocation-event-grid-custom-topics.md

Co-authored-by: Jason Howell <[email protected]>

Author: anaharris-ms

articles/operational-excellence/relocation-event-grid-custom-topics.md

@@ -43,7 +43,8 @@ To get started, export a Resource Manager template for the custom topic.
     :::image type="content" source="media/relocation/event-grid/move-custom-topics-across-regions/select-custom-topic.png" alt-text="Select the custom topic":::   
 4. On the **Event Grid Topic** page, select **Export Template** under **Settings** on the left menu, and then select **Download** on the toolbar. 
 
-    :::image type="content" source="media/relocation/event-grid/move-custom-topics-across-regions/export-template-download.png" alt-text="Export template -> Download":::   
+    :::image type="content" source="media/relocation/event-grid/move-custom-topics-across-regions/export-template-download.png" lightbox="media/relocation/event-grid/move-custom-topics-across-regions/export-template-download.png" alt-text="Export template -> Download":::
+
 
     > [!IMPORTANT]
     > Only the topic is exported to the template. Subscriptions for the topic aren't exported. So, you need to create subscriptions for the topic after you move the topic to the target region.