diff --git a/01_Day_Introduction/01_day_starter/helloworld.js b/01_Day_Introduction/01_day_starter/helloworld.js
index 8c9e2c0..7618ca1 100644
--- a/01_Day_Introduction/01_day_starter/helloworld.js
+++ b/01_Day_Introduction/01_day_starter/helloworld.js
@@ -1 +1,2 @@
-console.log('Hello, World!')
\ No newline at end of file
+console.log('Hello, World!')
+console.log("hello, Duy!")
\ No newline at end of file