diff --git a/src/sig_stfl/xmss/LICENSE b/src/sig_stfl/xmss/LICENSE
index a77c86e477..6fc799ea78 100644
--- a/src/sig_stfl/xmss/LICENSE
+++ b/src/sig_stfl/xmss/LICENSE
@@ -1,6 +1,6 @@
 ## License
 
-This XMSS reference implementation is Copyright (c) 2024 SandboxAQ and licensed under the [Apache License, Version 2.0](https://www.apache.org/licenses/LICENSE-2.0.txt) OR MIT License at your option.
+This XMSS reference implementation is Copyright (c) 2024 SandboxAQ and licensed under the CC0-1.0 AND ([Apache License, Version 2.0](https://www.apache.org/licenses/LICENSE-2.0.txt) OR MIT License) at your option.
 
 ---------------------------------
 The MIT License (MIT)