diff --git a/LICENCE.org b/LICENCE.org
index 8c42053..478fe19 100644
--- a/LICENCE.org
+++ b/LICENCE.org
@@ -6,4 +6,6 @@ The creative work contained within the org files, and all the files generated
 from these including, but not limited to, HTML and PDF files, is licenced under
 the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
 License. To view a copy of this license, visit
-[[http://creativecommons.org/licenses/by-nc-sa/4.0/]].
+[[http://creativecommons.org/licenses/by-nc-sa/4.0/]]. If you wish to make use of
+this work in a way that is incompatible with this licence, please contact me so
+we can discuss about it at <phundrak@phundrak.fr>.