diff --git a/todo b/todo
index a0b380f822..9d17a286bb 100644
--- a/todo
+++ b/todo
@@ -56,3 +56,4 @@ opera bug http://postimg.org/image/zcv8hse8n/full/
 customize sound notifications http://imgur.com/70WVyb5
 opera issue http://en.lichess.org/forum/lichess-feedback/new-game-wont-show-on-games-list-opera#1
 embedded games links http://2ls.ru/chessonline/
+filter ranges http://en.lichess.org/forum/lichess-feedback/my-proposed-changes-with-filter-window#1