diff --git a/AsyncFunction.md b/AsyncFunction.md
index 04ecc7b..bcf9ce8 100644
--- a/AsyncFunction.md
+++ b/AsyncFunction.md
@@ -22,7 +22,7 @@ exports.main = main;
 
 #### In the console
 
-```
+```js
 function main(args) {
     [5, 4, 3, 2, 1].forEach(function(x) {
         new AsyncFunction('sub_01', 'mymodule').run(x);