diff --git a/core/modules/language/lib/Drupal/language/Form/ContentLanguageSettingsForm.php b/core/modules/language/lib/Drupal/language/Form/ContentLanguageSettingsForm.php
index 428fee6..4ab8c4f 100644
--- a/core/modules/language/lib/Drupal/language/Form/ContentLanguageSettingsForm.php
+++ b/core/modules/language/lib/Drupal/language/Form/ContentLanguageSettingsForm.php
@@ -137,6 +137,7 @@ public function buildForm(array $form, array &$form_state) {
     $form = parent::buildForm($form, $form_state);
     // @todo Remove this override. There are tests that check for explicitly for
     //   the button label which need to be adapted for that.
+    //   https://drupal.org/node/2241727
     $form['actions']['submit']['#value'] = $this->t('Save');
 
     return $form;