diff --git a/src/Controller/DisqusController.php b/src/Controller/DisqusController.php
index 6efe6db..d2178bc 100644
--- a/src/Controller/DisqusController.php
+++ b/src/Controller/DisqusController.php
@@ -23,12 +23,12 @@ class DisqusController extends ControllerBase {
    */
   public function closeWindow() {
     $build = array();
-    $build['#markup'] = t('Thank you for logging in. Please close this window, or <a href="!clickhere">click here</a> to continue.',
-      array('!clickhere' => 'javascript:window.close();'));
-    $build['#attached']['html_head'][] = array( array(
+    $build['#markup'] = t('Thank you for logging in. Please close this window, or <a href="@clickhere">click here</a> to continue.',
+      array('@clickhere' => 'javascript:window.close();'));
+    $build['#attached']['html_head'][] = [[
       '#tag' => 'script',
       '#value' => 'window.close();',
-    ), 'disqus_js');
+    ], 'disqus_js'];
     return $build;
   }
 
diff --git a/src/DisqusCommentManager.php b/src/DisqusCommentManager.php
index 7c36b28..7618623 100644
--- a/src/DisqusCommentManager.php
+++ b/src/DisqusCommentManager.php
@@ -98,7 +98,7 @@ class DisqusCommentManager implements DisqusCommentManagerInterface {
     $disqus['sso'] = [
       'name' => \Drupal::config('system.site')->get('name'),
       // The login window must be closed once the user logs in.
-      'url' => Url::fromRoute('user.login', array(), array('query' => array('destination' => Url::fromRoute('disqus.close_window')->toString()), 'absolute' => TRUE))->toString(),
+      'url' => Url::fromRoute('user.login', [], ['query' => array('destination' => Url::fromRoute('disqus.close_window')->toString()), 'absolute' => TRUE])->toString(),
       // The logout link must redirect back to the original page.
       'logout' => Url::fromRoute('user.logout', [], ['query' => ['destination' => Url::fromRoute('<current>')->toString()], 'absolute' => TRUE])->toString(),
       'width' => 800,