diff --git a/danmaku2ass.py b/danmaku2ass.py
index 8938b6e..6343361 100755
--- a/danmaku2ass.py
+++ b/danmaku2ass.py
@@ -7,6 +7,10 @@
 # This program comes with no warranty, the author will not be resopnsible for
 # any damage or problems caused by this program.
 
+# You can obtain a latest copy of Danmaku2ASS at:
+#   https://github.com/m13253/danmaku2ass
+# Please update to the latest version before complaining.
+
 import argparse
 import calendar
 import gettext