diff --git a/README.txt b/README.txt
index 6680927..4d7d259 100644
--- a/README.txt
+++ b/README.txt
@@ -2,6 +2,7 @@ RandomMessages mod by arsdragonfly.
 Put your messages in (world directory)/random_messages,1 message per line.
 Messages can be all kinds of hints, mod usage, etc.
 In minetest.conf, random_messages_interval decides how often a message is sent.
+Released under CC0.
 Enjoy it! ^_^
 arsdragonfly@gmail.com
-6/19/2013
\ No newline at end of file
+6/19/2013