diff -u b/core/modules/image/lib/Drupal/image/Form/ImageStyleEditForm.php b/core/modules/image/lib/Drupal/image/Form/ImageStyleEditForm.php --- b/core/modules/image/lib/Drupal/image/Form/ImageStyleEditForm.php +++ b/core/modules/image/lib/Drupal/image/Form/ImageStyleEditForm.php @@ -70,9 +70,9 @@ $form['effects'] = array( '#type' => 'table', '#header' => array( - t('Effect'), - t('Weight'), - t('Operations'), + $this->t('Effect'), + $this->t('Weight'), + $this->t('Operations'), ), '#tabledrag' => array( array(