diff --git a/README.md b/README.md
index e121a1c..dab8722 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ Previous alternatives are connecting buttons to disassembled [Joystick circuit](
 
 Please wait for more information after I test the code more. But if you want to go ahead here are rough steps :
 - Make a controller.
-- Look at the code's top part and config things according to your connections to Uno's pin. Please read the comments. (Important)
+- Look at the SDVXCon.ino's top part and config things according to your connections to Uno's pin. Please read the comments. (Important)
 - Upload the code to your Uno with the [Arduino IDE](https://www.arduino.cc/en/Main/Software).
 - Do the [firmware flash hack](http://mitchtech.net/arduino-usb-hid-keyboard/).
 - Reconnect and done!