diff --git a/core/lib/Drupal/Core/Entity/EntityManager.php b/core/lib/Drupal/Core/Entity/EntityManager.php
index 249939c..34feb10 100644
--- a/core/lib/Drupal/Core/Entity/EntityManager.php
+++ b/core/lib/Drupal/Core/Entity/EntityManager.php
@@ -232,6 +232,7 @@ public function __construct() {
     $this->discovery = new AnnotatedClassDiscovery('Core', 'Entity');
     $this->discovery = new InfoHookDecorator($this->discovery, 'entity_info');
     $this->discovery = new AlterDecorator($this->discovery, 'entity_info');
+    // @todo Run process before altering, see http://drupal.org/node/1848964.
     $this->discovery = new ProcessDecorator($this->discovery, array($this, 'processDefinition'));
     $this->factory = new DefaultFactory($this);