diff --git a/src/Plugin/Field/FieldWidget/DateConfigurableListWidget.php b/src/Plugin/Field/FieldWidget/DateConfigurableListWidget.php
index 1ec97b3..9e0d15e 100644
--- a/src/Plugin/Field/FieldWidget/DateConfigurableListWidget.php
+++ b/src/Plugin/Field/FieldWidget/DateConfigurableListWidget.php
@@ -15,12 +15,15 @@ use Drupal\Core\Field\FieldDefinitionInterface;
  *   }
  * )
  *
- *  @deprecated in 1.x and will be removed in 2.x. Use
+ * @deprecated in 1.x and will be removed in 2.x. Use
  * \Drupal\datetime_extras\Plugin\Field\FieldWidget\DateTimeConfigurableList
  * instead.
  */
 class DateConfigurableListWidget extends DateTimeConfigurableList {
 
+  /**
+   * {@inheritdoc}
+   */
   public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, array $third_party_settings) {
     parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $third_party_settings);
     @trigger_error('The ' . __NAMESPACE__ . '\DateConfigurableListWidget is deprecated in 1.x and will be removed before 2.0. Instead, use ' . __NAMESPACE__ . '\DateTimeConfigurableList.', E_USER_DEPRECATED);
diff --git a/src/Plugin/Field/FieldWidget/DateTimeConfigurableList.php b/src/Plugin/Field/FieldWidget/DateTimeConfigurableList.php
index 1879168..6e98187 100644
--- a/src/Plugin/Field/FieldWidget/DateTimeConfigurableList.php
+++ b/src/Plugin/Field/FieldWidget/DateTimeConfigurableList.php
@@ -24,8 +24,8 @@ class DateTimeConfigurableList extends DateTimeDatelistWidget {
    */
   public static function defaultSettings() {
     return [
-        'date_year_range' => '1900:2050',
-      ] + parent::defaultSettings();
+      'date_year_range' => '1900:2050',
+    ] + parent::defaultSettings();
   }
 
   /**
@@ -95,7 +95,7 @@ class DateTimeConfigurableList extends DateTimeDatelistWidget {
       $element['value']['#date_part_order'] = $date_part_order;
     }
 
-    // Set year start / end
+    // Set year start / end.
     $year_range = $this->getSetting('date_year_range');
     if (isset($year_range)) {
       $element['value']['#date_year_range'] = $year_range;