diff --git a/ports/stm32/boards/Passport/modules/ux.py b/ports/stm32/boards/Passport/modules/ux.py
index 5b957c0..9cd1921 100644
--- a/ports/stm32/boards/Passport/modules/ux.py
+++ b/ports/stm32/boards/Passport/modules/ux.py
@@ -168,6 +168,7 @@ class KeyInputHandler:
         from common import keypad
         keypad.clear_keys()
 
+    # Reset internal state so that all pending kcodes and repeats are forgotten.
     def reset(self):
         self.time_pressed = {}
         self.kcode_state = 0