diff --git a/helloworld/main.py b/helloworld/main.py
index 10567a6..cfd80f3 100644
--- a/helloworld/main.py
+++ b/helloworld/main.py
@@ -21,6 +21,6 @@ def main(argv=None):
     # ensures the user hasn't passed any other unrecognized arguments.
     parser.parse_args(argv[1:])
 
-    print("Hello, world")
+    print("HELLO, WORLD")
 
     return 0