diff --git a/core/lib/Drupal/Core/StringTranslation/Translator/StaticTranslation.php b/core/lib/Drupal/Core/StringTranslation/Translator/StaticTranslation.php
index 1b88a7a..c87b463 100644
--- a/core/lib/Drupal/Core/StringTranslation/Translator/StaticTranslation.php
+++ b/core/lib/Drupal/Core/StringTranslation/Translator/StaticTranslation.php
@@ -59,6 +59,8 @@ public function reset() {
    *
    * @param string $langcode
    *   The langcode of the language.
+   *
+   * @return array
    */
   protected function getLanguage($langcode) {
     // This class is usually a base class but we do not declare as abstract