Issue #2471707 by xjm: Provide an issue link in the @todo in EntityHandlerBase

core/lib/Drupal/Core/Entity/EntityHandlerBase.php

@@ -14,7 +14,7 @@
 /**
  * Provides a base class for entity handlers.
  *
- * @todo Convert this to a trait.
+ * @todo Deprecate this in https://www.drupal.org/node/2471663.
  */
 abstract class EntityHandlerBase {
   use StringTranslationTrait;