diff --git a/README.md b/README.md
index d8e6a4e..a8c9519 100644
--- a/README.md
+++ b/README.md
@@ -6,5 +6,6 @@ now just another command-line wordle client
 
 # TODO
 * [ ] import dictionary files
+* [x] length filtering
 * [ ] bad guess filtering
 * [ ] ui upgrade