diff --git a/src/libratbag.h b/src/libratbag.h
index 15894040..29440d70 100644
--- a/src/libratbag.h
+++ b/src/libratbag.h
@@ -947,7 +947,7 @@ enum ratbag_button_type {
 	RATBAG_BUTTON_TYPE_THUMB4,
 	RATBAG_BUTTON_TYPE_WHEEL_LEFT,
 	RATBAG_BUTTON_TYPE_WHEEL_RIGHT,
-	RATBAG_BUTTON_TYPE_WHEEL_CLICK, /* FIXME: same as middle click? */
+	RATBAG_BUTTON_TYPE_WHEEL_CLICK,
 	RATBAG_BUTTON_TYPE_WHEEL_UP,
 	RATBAG_BUTTON_TYPE_WHEEL_DOWN,
 	RATBAG_BUTTON_TYPE_WHEEL_RATCHET_MODE_SHIFT,