diff --git a/bot/helper/ext_utils/shortenurl.py b/bot/helper/ext_utils/shortenurl.py
index 03be2f7..031d494 100644
--- a/bot/helper/ext_utils/shortenurl.py
+++ b/bot/helper/ext_utils/shortenurl.py
@@ -1,3 +1,5 @@
+# Implemented by https://github.com/junedkh
+
 import requests
 import random
 import base64