diff --git a/Controller/AbstractController.php b/Controller/AbstractController.php
index 6d2a2c6..b5637c1 100644
--- a/Controller/AbstractController.php
+++ b/Controller/AbstractController.php
@@ -5,26 +5,19 @@
 use Symfony\Bundle\FrameworkBundle\Controller\Controller;
 
 /**
- * TagController
- *
  * @author Stepan Tanasiychuk <ceo@stfalcon.com>
  */
 class AbstractController extends Controller
 {
-
-    /**
-     * Added disqus_shortname to request data array
-     *
-     * @param array $requestData
-     * @return array
-     */
-    protected function _getRequestDataWithDisqusShortname($requestData)
+    protected function _getRequestDataWithDisqusShortname(array $requestData): array
     {
         $config = $this->container->getParameter('stfalcon_blog.config');
-        return array_merge(
+        $disqusShortnameKey = 'disqus_shortname';
+        $requestDataWithDisqusShortname = array_merge(
             $requestData,
-            array('disqus_shortname' => $config['disqus_shortname'])
+            [$disqusShortnameKey => $config[$disqusShortnameKey]]
         );
+        
+        return $requestDataWithDisqusShortname;
     }
-
-}
\ No newline at end of file
+}