diff --git a/XBox360_XInput/README.md b/XBox360_XInput/README.md
index fcfb614..d63eb30 100644
--- a/XBox360_XInput/README.md
+++ b/XBox360_XInput/README.md
@@ -15,3 +15,4 @@ Game Controller Tester
 
 - Arduino Pro Micro needs PB0/SS-pin to work. And it is not broken out. So no SPI for PSX-controller I guess? 
 https://forum.arduino.cc/index.php?topic=427828.0
+- It could be used as pin 17 in code, if led could be disabled?