diff --git a/lib/public/groupinterface.php b/lib/public/groupinterface.php
index a4acc78e85..142b3dea04 100644
--- a/lib/public/groupinterface.php
+++ b/lib/public/groupinterface.php
@@ -32,7 +32,7 @@
 namespace OCP;
 
 /**
- * Interface GroupInterface
+ * TODO actually this is a IGroupBackend
  *
  * @package OCP
  * @since 4.5.0
diff --git a/lib/public/userinterface.php b/lib/public/userinterface.php
index 6d048cb7a0..68831dcb50 100644
--- a/lib/public/userinterface.php
+++ b/lib/public/userinterface.php
@@ -32,7 +32,7 @@
 namespace OCP;
 
 /**
- * Interface UserInterface
+ * TODO actually this is a IUserBackend
  *
  * @package OCP
  * @since 4.5.0