diff --git a/AsyncFunction.md b/AsyncFunction.md
index fead05d..f6ea8c6 100644
--- a/AsyncFunction.md
+++ b/AsyncFunction.md
@@ -11,6 +11,7 @@ function main(args) {
     [5, 4, 3, 2, 1].forEach(function(x) {
         new AsyncFunction(function() {
             sleep(x * 1000);
+            console.log(x);
         }).run();
     });
 }