diff --git a/core/modules/tracker/tracker.pages.inc b/core/modules/tracker/tracker.pages.inc
index 1ef2399..93e33ea 100644
--- a/core/modules/tracker/tracker.pages.inc
+++ b/core/modules/tracker/tracker.pages.inc
@@ -109,17 +109,17 @@ function tracker_page($account = NULL) {
         ),
       );
       if ($comment_module) {
-        $row['comments'] = array(
-          'class' => array('comments'),
+        $row['comments'] = [
+          'class' => ['comments'],
           'data' => $comments,
           'data-history-node-last-comment-timestamp' => $node->last_comment_timestamp,
-        );
+        ];
       }
-      $row['last updated'] = array(
-        'data' => t('@time ago', array(
+      $row['last updated'] = [
+        'data' => t('@time ago', [
           '@time' => \Drupal::service('date.formatter')->formatTimeDiffSince($node->last_activity),
-        ))
-      );
+        ])
+      ];
       $rows[] = $row;
 
       // Add node and node owner to cache tags.
@@ -135,7 +135,7 @@ function tracker_page($account = NULL) {
 
   $page['tracker'] = array(
     '#rows' => $rows,
-    '#header' => $comment_module ? array(t('Type'), t('Title'), t('Author'), t('Comments'), t('Last updated')) : array(t('Type'), t('Title'), t('Author'), t('Last updated')),
+    '#header' => $comment_module ? [t('Type'), t('Title'), t('Author'), t('Comments'), t('Last updated')] : [t('Type'), t('Title'), t('Author'), t('Last updated')],
     '#type' => 'table',
     '#empty' => t('No content available.'),
   );