diff --git a/src/qtheaders.h b/src/qtheaders.h
index d2bca00..4b6c973 100644
--- a/src/qtheaders.h
+++ b/src/qtheaders.h
@@ -6,6 +6,7 @@
 
 #ifndef _QT_HEADERS__
 #define _QT_HEADERS__
+// uncomment below to disable Joystick with libsdl2
 //#define DISABLE_JOYSTICK
 #define ac_version "v1.66.0"
 #include<QApplication>