diff --git a/lib/addressbookprovider.php b/lib/addressbookprovider.php
index 2a75f3eb..2c9f529f 100644
--- a/lib/addressbookprovider.php
+++ b/lib/addressbookprovider.php
@@ -24,6 +24,7 @@ namespace OCA\Contacts;
 
 /**
  * This class manages our addressbooks.
+ * TODO: Port this to use the new backend
  */
 class AddressbookProvider implements \OCP\IAddressBook {