diff -u b/core/lib/Drupal/Core/Entity/EntityTypeManagerInterface.php b/core/lib/Drupal/Core/Entity/EntityTypeManagerInterface.php
--- b/core/lib/Drupal/Core/Entity/EntityTypeManagerInterface.php
+++ b/core/lib/Drupal/Core/Entity/EntityTypeManagerInterface.php
@@ -93,6 +93,8 @@
   public function hasHandler($entity_type, $handler_type);
 
   /**
+   * Creates a new handler instance for a entity type and handler type.
+   *
    * Entity handlers are instantiated once per entity type and then cached
    * in the entity type manager, and so subsequent calls to getHandler() for
    * a particular entity type and handler type will return the same object.