diff --git a/src/main.c b/src/main.c
index 82576e9..19e4917 100644
--- a/src/main.c
+++ b/src/main.c
@@ -14,7 +14,7 @@
 // hardware
 // --------------------------------------------------------------------
 
-#define KBD_DEBUG
+#define KBD_DEBUG // comment out to disable the debug interface completely
 #include "./keyboard/controller.c"
 #include "./keyboard/keyboard.h"