diff --git a/main.go b/main.go
index b1e5b38..76b78df 100644
--- a/main.go
+++ b/main.go
@@ -8,5 +8,5 @@ func main() {
 
 // HelloWorld is a function that returns a string containing "hello world".
 func HelloWorld() string {
-	return "hello world 2018"
+	return "hello world 2018-12-18"
 }