diff --git a/README.rst b/README.rst
index e8933a351..d5b7b4a19 100644
--- a/README.rst
+++ b/README.rst
@@ -30,4 +30,5 @@ Website: https://m-labs.hk/artiq
 
 `Cite ARTIQ <http://dx.doi.org/10.5281/zenodo.51303>`_ as ``Bourdeauducq, Sébastien et al. (2016). ARTIQ 1.0. Zenodo. 10.5281/zenodo.51303``.
 
-Copyright (C) 2014-2016 M-Labs Limited. Licensed under GNU GPL version 3.
+Copyright (C) 2014-2016 M-Labs Limited.
+Licensed under GNU GPL version 3 or any later version.