diff --git a/readme/development.md b/readme/development.md
index 8a72e05b..29357376 100644
--- a/readme/development.md
+++ b/readme/development.md
@@ -33,6 +33,7 @@ requests.
 - [x] map keys using a `modifier + modifier + ... + key` syntax
 - [ ] injecting keys that aren't available in the systems keyboard layout
 - [ ] injecting keys while abs capabilities are present. e.g. stylus buttons
+- [ ] ship with a list of all keys known to xkb and validate input in gui
 
 ## Tests