diff --git a/smtp.py b/smtp.py
index 9cc76b3..1987aa9 100644
--- a/smtp.py
+++ b/smtp.py
@@ -1,8 +1,9 @@
 #!/usr/bin/python3
 #
 # smtp.py
+# SMTP gateway
 #
-# Caterpillar - The simple and parasitic web proxy with spam filter
+# Caterpillar Proxy - The simple and parasitic web proxy with SPAM filter
 # Namyheon Go (Catswords Research) <gnh1201@gmail.com>
 # https://github.com/gnh1201/caterpillar
 # Created at: 2024-03-01