diff --git a/core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php b/core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php
index 5b29e87..f554100 100644
--- a/core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php
+++ b/core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php
@@ -133,7 +133,8 @@ public function setOriginalId($id) {
     // Do not call the parent method since that would mark this entity as no
     // longer new. Unlike content entities new configuration entities have an
     // ID.
-    // @see https://www.drupal.org/node/2405165
+    // @todo https://www.drupal.org/node/2478811 Document the entity life cycle
+    //   and the differences between config and content.
     $this->originalId = $id;
     return $this;
   }