diff --git a/bip-???-cat.mediawiki b/bip-???-cat.mediawiki
index 6a5c54a0..61428e34 100644
--- a/bip-???-cat.mediawiki
+++ b/bip-???-cat.mediawiki
@@ -88,4 +88,4 @@ OP_CAT as it existed in the Bitcoin codebase prior to the commit "misc changes"
 We wish to acknowledge Dan Gould for encouraging and helping review this effort. 
 
 == Copyright ==
-This document is placed in the public domain.
+This document is licensed under the 3-clause BSD license.