diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ ATmega32u4 can be easily changed to act as keyboard and/or mouse too.
 ## Short version
 - ATmega32u4 Arduino Board
 - Arduino IDE
-- Joystick library
+- Install Joystick library (https://github.com/MHeironimus/ArduinoJoystickLibrary)
 - Connect joystick or gamepad to Arduino (in most situations soldering is required)
 - Open sourcecode to Arduino IDE and Select controller and edit pin-numbers (if needed)
 - Upload