Update configure-scoped-access.md

add a period at the end of the alt text

Author: DeCohen

ATPDocs/configure-scoped-access.md

@@ -26,15 +26,15 @@ To enable identity scoping, follow these steps:​
 
 1. Navigate to **Permissions > Microsoft Defender XDR >  Roles​**
 
-    :::image type="content" source="media/custom-roles/permissions-roles.png" alt-text="Screenshot showing the roles page in the Defender XDR portal":::
+    :::image type="content" source="media/custom-roles/permissions-roles.png" alt-text="Screenshot showing the roles page in the Defender XDR portal.":::
 
 1. Select **+ Create custom role** and follow the instructions in [Create custom roles with Microsoft Defender XDR Unified RBAC](/defender-xdr/create-custom-rbac-roles#create-a-custom-role)
 
-    :::image type="content" source="media/custom-roles/create-custom-role.png" alt-text="Screenshot showing the create custom roles button":::
+    :::image type="content" source="media/custom-roles/create-custom-role.png" alt-text="Screenshot showing the create custom roles button.":::
 
 1. You can edit the role at any time. Select the role from the list of custom roles and choose **Edit**.
 
-    :::image type="content" source="media/custom-roles/edit-custom-role.png" alt-text="Screenshot showing how to edit a custom role":::
+    :::image type="content" source="media/custom-roles/edit-custom-role.png" alt-text="Screenshot showing how to edit a custom role.":::
 
 1. Select Add assignments and add the Assignment name.
     1. Under **Assign users and groups**, enter the usernames or Microsoft Entra ID groups you want to assign to the role.