diff --git a/README.md b/README.md
index 95c4441..c7b5468 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@ Select controller by commenting and uncommenting and edit pin-numbers (if needed
 
 - Press Upload
 
-- Test in Windows with Control Panel -> Game Controllers or in Linux (todo)
+- If you got no errors, test in Windows with Control Panel -> Game Controllers or in Linux (todo)
 
 ### Code
 This code supports Atari, SMS, NES, SNES and Genesis (3 and 6 button) controllers. Select your controller by commenting and uncommenting stuff from beginning of source code and give your IO-pin numbers.