diff --git a/README.md b/README.md
index 62f33703..f62ac8c9 100644
--- a/README.md
+++ b/README.md
@@ -116,4 +116,4 @@ signature perform the following:
 
 ## License
 
-btcd is licensed under the liberal ISC License.
+btcd is licensed under the [copyfree]((http://copyfree.org) ISC License.