#18440: Static test fix.

Author: p-bystritsky

app/code/Magento/Catalog/Block/Product/View/GalleryOptions.php

@@ -3,14 +3,16 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
-
 namespace Magento\Catalog\Block\Product\View;
 
 use Magento\Framework\View\Element\Block\ArgumentInterface;
 use Magento\Framework\Serialize\Serializer\Json;
 use Magento\Catalog\Block\Product\Context;
 use Magento\Framework\Stdlib\ArrayUtils;
 
+/**
+ * Gallery options block.
+ */
 class GalleryOptions extends AbstractView implements ArgumentInterface
 {
     /**