diff --git a/core/lib/Drupal/Core/Config/Entity/ConfigEntityManager.php b/core/lib/Drupal/Core/Config/Entity/ConfigEntityManager.php
index 0e97114..ff0e695 100644
--- a/core/lib/Drupal/Core/Config/Entity/ConfigEntityManager.php
+++ b/core/lib/Drupal/Core/Config/Entity/ConfigEntityManager.php
@@ -2,14 +2,13 @@
 
 /**
  * @file
- * Definition of Drupal\Core\Config\Entity\ConfigEntityManager.
+ * Contains \Drupal\Core\Config\Entity\ConfigEntityManager.
  */
 
 namespace Drupal\Core\Config\Entity;
 use Drupal\Core\Entity\EntityManagerInterface;
 use Drupal\Core\Entity\EntityTypeInterface;
 
-
 /**
  * Defines the ConfigEntityManager which provides helper functions.
  */
@@ -23,22 +22,19 @@ class ConfigEntityManager implements ConfigEntityManagerInterface {
   protected $entityManager;
 
   /**
+   * Creates ConfigEntityManager objects.
+   *
    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
+   *   The entity manager.
    */
   public function __construct(EntityManagerInterface $entity_manager) {
     $this->entityManager = $entity_manager;
   }
 
   /**
-   * Returns the entity type of a configuration object.
-   *
-   * @param string $name
-   *   The configuration object name.
-   *
-   * @return string|null
-   *   Either the entity type name, or NULL if none match.
+   * {@inheritdoc}
    */
-  function getEntityTypeIdByName($name) {
+  public function getEntityTypeIdByName($name) {
     $entities = array_filter($this->entityManager->getDefinitions(), function (EntityTypeInterface $entity_info) use ($name) {
       return ($config_prefix = $entity_info->getConfigPrefix()) && strpos($name, $config_prefix . '.') === 0;
     });