diff --git a/core/modules/locale/src/LocaleConfigManager.php b/core/modules/locale/src/LocaleConfigManager.php
index cee59b0..25949c8 100644
--- a/core/modules/locale/src/LocaleConfigManager.php
+++ b/core/modules/locale/src/LocaleConfigManager.php
@@ -191,7 +191,7 @@ protected function getTranslatableData(TypedDataInterface $element) {
    *   The configuration name.
    * @param array $active
    *   The active configuration data.
-   * @param array|\Drupal\Core\StringTranslation\TranslationWrapper $translatable
+   * @param array|\Drupal\Core\StringTranslation\TranslationWrapper[] $translatable
    *   The translatable array structure. A nested array matching the exact
    *   structure under of the default configuration for $name with only the
    *   elements that are translatable wrapped into a TranslationWrapper.
diff --git a/core/modules/locale/src/LocaleConfigSubscriber.php b/core/modules/locale/src/LocaleConfigSubscriber.php
index dccd885..efe694e 100644
--- a/core/modules/locale/src/LocaleConfigSubscriber.php
+++ b/core/modules/locale/src/LocaleConfigSubscriber.php
@@ -133,9 +133,9 @@ protected function updateLocaleStorage(StorableConfigBase $config, $langcode, ar
    *   The configuration name.
    * @param array $config
    *   The active configuration data or override data.
-   * @param array|\Drupal\Core\StringTranslation\TranslationWrapper $translatable
-   *   The translatable array structure, see
-   *   LocaleConfigManager::getTranslatableData().
+   * @param array|\Drupal\Core\StringTranslation\TranslationWrapper[] $translatable
+   *   The translatable array structure.
+   *   @see \Drupal\locale\LocaleConfigManager::getTranslatableData().
    * @param string $langcode
    *   The language code to process the array with.
    * @param array $reference_config