diff --git a/libnm-core/nm-dbus-interface.h b/libnm-core/nm-dbus-interface.h
index 92c8a359d8..dd05f5e756 100644
--- a/libnm-core/nm-dbus-interface.h
+++ b/libnm-core/nm-dbus-interface.h
@@ -820,9 +820,9 @@ typedef enum {
  * @NM_CHECKPOINT_CREATE_FLAG_DESTROY_ALL: when creating
  *   a new checkpoint, destroy all existing ones.
  * @NM_CHECKPOINT_CREATE_FLAG_DELETE_NEW_CONNECTIONS: upon rollback,
- *   delete any new connection added after the checkpoint.
+ *   delete any new connection added after the checkpoint (Since: 1.6)
  * @NM_CHECKPOINT_CREATE_FLAG_DISCONNECT_NEW_DEVICES: upon rollback,
- *   disconnect any new device appeared after the checkpoint.
+ *   disconnect any new device appeared after the checkpoint (Since: 1.6)
  *
  * The flags for CheckpointCreate call
  *