diff --git a/README.md b/README.md
index a7e5b39..eeb7987 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ Meteor data adapter for Webix UI
 Allows using [Webix](http://webix.com) UI components with [Meteor](https://meteor.com/).
 Reactive widgets that have been tested include [DataTable](http://docs.webix.com/datatable__index.html)
 and [List](http://docs.webix.com/desktop__list.html). All other widgets with
-[linear](http://docs.webix.com/desktop__dynamic_loading.html) underlying data structures should work too. 
+[linear](http://docs.webix.com/desktop__dynamic_loading.html) underlying data structures should work too. Tree and TreeTable don't work at the moment - keep an eye on [issue #7](https://github.com/webix-hub/webix-meteor-data/issues/7#issuecomment-119328896]).
 
 How to use
 -----------