diff --git a/core/includes/theme.inc b/core/includes/theme.inc
index 249f88c..bf4dcf5 100644
--- a/core/includes/theme.inc
+++ b/core/includes/theme.inc
@@ -1284,7 +1284,7 @@ function template_preprocess_html(&$variables) {
     );
   }
   else {
-    $head_title = array('name' => $site_config->get('name'));
+    $head_title = ['name' => $site_config->get('name')];
     if ($site_config->get('slogan')) {
       $head_title['slogan'] = strip_tags(Xss::filterAdmin($site_config->get('slogan')));
     }
@@ -1292,11 +1292,11 @@ function template_preprocess_html(&$variables) {
 
   $variables['head_title_array'] = $head_title;
 
-  $variables['head_title'] = array(
+  $variables['head_title'] = [
     '#type' => 'inline_template',
     '#template' => '{{ head_title|safe_join(" | ") }}',
-    '#context' => array('head_title' => $head_title),
-  );
+    '#context' => ['head_title' => $head_title],
+  ];
 
   // Collect all attachments. This must happen in the preprocess function for
   // #type => html, to ensure that attachments added in #pre_render callbacks