edit pass: application-gateway-articles

Author: paulth1

articles/application-gateway/rewrite-url-portal.md

@@ -54,7 +54,7 @@ In the following example, whenever the request URL contains `/article`, the URL
 
     1. Select **Add rewrite rule**.
 
-       :::image type="content" source="./media/rewrite-url-portal/rewrite-url-portal-3.png" alt-text="Screenshot that shows adding a rewrite rule.":::
+       :::image type="content" source="./media/rewrite-url-portal/rewrite-url-portal-3.png" alt-text="Screenshot that shows Add rewrite rule.":::
 
    1. In the **Rewrite rule name** box, enter a name for the rewrite rule.
    1. In the **Rule sequence** box, enter a number.