diff --git a/helper/colona.format.v1.php b/helper/colona.v1.format.php
similarity index 95%
rename from helper/colona.format.v1.php
rename to helper/colona.v1.format.php
index 13c2acf..efd6d32 100644
--- a/helper/colona.format.v1.php
+++ b/helper/colona.v1.format.php
@@ -1,4 +1,6 @@
 <?php
+// Go Namhyeon <gnh1201@gmail.com>
+// 2019-09-25
 
 if(!check_function_exists("decode_colona_format") {
     function decode_colona_format($data) {