diff --git a/core/lib/Drupal/Core/Path/Path.php b/core/lib/Drupal/Core/Path/Path.php
index 92ad8c6..8bc3279 100644
--- a/core/lib/Drupal/Core/Path/Path.php
+++ b/core/lib/Drupal/Core/Path/Path.php
@@ -92,6 +92,7 @@ public function save($source, $alias, $langcode = Language::LANGCODE_NOT_SPECIFI
       $operation = 'update';
     }
     if ($pid) {
+      // @todo Switch to using an event for this instead of a hook.
       $this->moduleHandler->invokeAll('path_' . $operation, array($fields));
       return $fields;
     }
@@ -136,6 +137,7 @@ public function delete($conditions) {
       $query->condition($field, $value);
     }
     $deleted = $query->execute();
+    // @todo Switch to using an event for this instead of a hook.
     $this->moduleHandler->invokeAll('path_delete', array($path));
     return $deleted;
   }