diff --git a/core/modules/locale/src/LocaleConfigSubscriber.php b/core/modules/locale/src/LocaleConfigSubscriber.php
index 568ae86..e89a115 100644
--- a/core/modules/locale/src/LocaleConfigSubscriber.php
+++ b/core/modules/locale/src/LocaleConfigSubscriber.php
@@ -78,6 +78,7 @@ public static function getSubscribedEvents() {
    * Updates the translation strings when shipped configuration is saved.
    *
    * @param \Drupal\language\Config\LanguageConfigOverrideCrudEvent $event
+   *   The language configuration event.
    */
   public function onSave(LanguageConfigOverrideCrudEvent $event) {
     // Do not mark strings as customized when community translations are being
@@ -89,13 +90,14 @@ public function onSave(LanguageConfigOverrideCrudEvent $event) {
       $callable = [$this, 'saveCustomizedTranslation'];
     }
 
-    $this->onUpdate($event, $callable);
+    $this->updateTranslationStrings($event, $callable);
   }
 
   /**
    * Updates the translation strings when shipped configuration is deleted.
    *
    * @param \Drupal\language\Config\LanguageConfigOverrideCrudEvent $event
+   *   The language configuration event.
    */
   public function onDelete(LanguageConfigOverrideCrudEvent $event) {
     if ($this->localeConfigManager->isUpdatingConfigTranslations()) {
@@ -109,15 +111,18 @@ public function onDelete(LanguageConfigOverrideCrudEvent $event) {
       $callable = [$this, 'saveCustomizedTranslation'];
     }
 
-    $this->onUpdate($event, $callable);
+    $this->updateTranslationStrings($event, $callable);
   }
 
   /**
    * Updates the translation strings of shipped configuration.
    *
    * @param \Drupal\language\Config\LanguageConfigOverrideCrudEvent $event
+   *   The language configuration event.
+   * @param $callable
+   *   A callable to apply to each translatable string of the configuration.
    */
-  protected function onUpdate(LanguageConfigOverrideCrudEvent $event, $callable) {
+  protected function updateTranslationStrings(LanguageConfigOverrideCrudEvent $event, $callable) {
     $translation_config = $event->getLanguageConfigOverride();
     $name = $translation_config->getName();