MAGETWO-57579: [Backport] - [Github] Upgrade does not put store in maintenance mode. #3191

Author: ark99

setup/view/magento/setup/start-updater.phtml

@@ -21,9 +21,15 @@
 
 <div class="message message-warning">
     <span class="message-text">
-        <strong>We will take your store offline to protect shoppers during the duration of the {{type}} activity.</strong>
-        <div ng-show="type == 'upgrade'">Before you start upgrade, you can optionally <a href="http://devdocs.magento.com/guides/v2.1/comp-mgr/trouble/cman/maint-mode.html">configure a custom maintenance page</a> that informs shoppers the store is offline. (Magento provides a default page.)</div>
-
+        <strong>
+            We will take your store offline to protect shoppers during the duration of the {{type}} activity.
+        </strong>
+        <div ng-show="type == 'upgrade'">
+            Before you start upgrade, you can optionally
+            <a href="http://devdocs.magento.com/guides/v2.1/comp-mgr/trouble/cman/maint-mode.html">
+            configure a custom maintenance page</a> that informs shoppers the store is offline.
+            (Magento provides a default page.)
+        </div>
     </span>
 </div>