diff --git a/README.md b/README.md
index c315d65..57dae9c 100644
--- a/README.md
+++ b/README.md
@@ -65,7 +65,7 @@ coins = {
 print('By name:\t' + ', '.join(sorted(coins.keys())))
 print('By value:\t' + ', '.join(sorted(coins.keys(), key=coins.get)))
 
-$ ./skylark -lambda coins.sky
+$ ./skylark coins.sky
 By name:	dime, nickel, penny, quarter
 By value:	penny, nickel, dime, quarter
 ```