diff --git a/includes/addtocalendar.build.inc b/includes/addtocalendar.build.inc
index 61cec67..b8a7bb7 100644
--- a/includes/addtocalendar.build.inc
+++ b/includes/addtocalendar.build.inc
@@ -55,7 +55,7 @@ function _addtocalendar_preprocess_field(&$variables) {
         switch ($settings['addtocalendar_settings'][$value]['field']) {
           case 'token':
             $class_value = $settings['addtocalendar_settings'][$value]['tokenized'];
-            $class_value = $token_service->replace($class_value, array('node' => $entity), $token_options);
+            $class_value = $token_service->replace($class_value, ['node' => $entity], $token_options);
             break;
 
           case 'title':
diff --git a/includes/addtocalendar.form.inc b/includes/addtocalendar.form.inc
index 36d4a8d..1aaaacd 100644
--- a/includes/addtocalendar.form.inc
+++ b/includes/addtocalendar.form.inc
@@ -101,7 +101,7 @@ function _addtocalendar_build_form($settings, $field_definition) {
   if (\Drupal::moduleHandler()->moduleExists('token')) {
     $element['addtocalendar_settings']['token_help'] = [
       '#type' => 'markup',
-      '#token_types' => array('node'),
+      '#token_types' => ['node'],
       '#theme' => 'token_tree_link',
     ];
   }
@@ -111,7 +111,7 @@ function _addtocalendar_build_form($settings, $field_definition) {
       '#type' => 'select',
       '#title' => $data['label'] . t(': field'),
       '#options' => $field_options,
-      '#description' => t('Select field to be used as @label for calendar events', array('@label' => $data['label'])),
+      '#description' => t('Select field to be used as @label for calendar events', ['@label' => $data['label']]),
       '#default_value' => !empty($settings['addtocalendar_settings'][$id]['field']) ? $settings['addtocalendar_settings'][$id]['field'] : '',
     ];
     $element['addtocalendar_settings'][$id]['tokenized'] = [