diff --git a/README.md b/README.md
index ff28353..e5f546f 100644
--- a/README.md
+++ b/README.md
@@ -101,7 +101,9 @@ TODO
 license
 -------
 
-Everything is CC0 1.0 + a waiver of all other IP rights (including patents). The art used in demos is either my own released under CC0 or someone else's released under CC0.
+Everything is CC0 1.0 (public domain, https://creativecommons.org/publicdomain/zero/1.0/) + a waiver of all other IP rights (including patents).
+
+The art used in demos is either my own released under CC0 or someone else's released under CC0.
 
 Please support free software and free culture by using free licenses and/or waivers.