reviewed coding standards with newest PEAR documentation

Author: Michal Malinowski

app/code/Magento/AdminNotification/Controller/Adminhtml/System/Message/ListAction.php

@@ -15,8 +15,8 @@ public function execute()
         $severity = $this->getRequest()->getParam('severity');
         $default = array(
             'severity' => $severity,
-            'text' => 'All recent issues have been fixed. Please refresh the screen for an update.'
-            );
+            'text' => 'All recent issues have been fixed. Please refresh the screen for an update.',
+        );
         $messageCollection = $this->_objectManager->get(
             'Magento\AdminNotification\Model\Resource\System\Message\Collection'
         );