diff --git a/Contributing.md b/Contributing.md
index 2d657f1..882de06 100644
--- a/Contributing.md
+++ b/Contributing.md
@@ -28,7 +28,7 @@ Here is a short explanation of what does what:
 ## example
 After you checked out the IFM, you can compile the script like this:
 ```
-./compiler.php --languages=en,de
+./compiler.php --language=en,de
 ```
 
 ## advanced topics