diff --git a/src/keyer.h b/src/keyer.h
index 1dbce9f..a3a2203 100644
--- a/src/keyer.h
+++ b/src/keyer.h
@@ -10,7 +10,7 @@ public:
         Dit,
         Dah,
         InterCharSpace,
-
+        // TODO: perhaps new state: Keying
     };
     Keyer(uint8_t wpm);