wording

src/Controller/Component/FlashComponent.php

@@ -59,7 +59,7 @@ class FlashComponent extends Component {
 			$type = 'info';
 		}
 
-		$old = $this->Controller->request->session()->read('messages');
+		$old = (array)$this->Controller->request->session()->read('messages');
 		if (isset($old[$type]) && count($old[$type]) > 99) {
 			array_shift($old[$type]);
 		}

src/View/Helper/FlashHelper.php

@@ -7,7 +7,7 @@ use Cake\Utility\Hash;
 use Tools\Controller\Component\FlashComponent;
 
 /**
- * Common helper
+ * Flash helper
  *
  * @author Mark Scherer
  */