diff --git a/01_helloWorld/helloWorld.js b/01_helloWorld/helloWorld.js
index df27036..506ada9 100644
--- a/01_helloWorld/helloWorld.js
+++ b/01_helloWorld/helloWorld.js
@@ -1,5 +1,5 @@
-const helloWorld = function() {
-  return ''
+const helloWorld = function () {
+  return "hello world";
 };
 
 module.exports = helloWorld;