diff --git a/README.md b/README.md
index 72b0eb6..d30d52f 100644
--- a/README.md
+++ b/README.md
@@ -45,3 +45,8 @@ mp_timelimit 0
 mp_winlimit 1
 ```
 Load this configuration using `rcon exec ultiduo` or simply `rcon ultiduo` on ozfortress servers.
+
+---
+[![Creative Commons License](https://i.creativecommons.org/l/by-sa/4.0/88x31.png)](http://creativecommons.org/licenses/by-sa/4.0/)
+
+This work by [ozfortress](http://ozfortress.com) is licensed under a [Creative Commons Attribution-ShareAlike 4.0 International License](http://creativecommons.org/licenses/by-sa/4.0/).