diff --git a/COPYRIGHT.t2t b/COPYRIGHT.t2t
index 235c862..6ababa8 100644
--- a/COPYRIGHT.t2t
+++ b/COPYRIGHT.t2t
@@ -48,3 +48,8 @@ same conditions as regards security.
 
 The fact that you are presently reading this means that you have had
 knowledge of the CeCILL license and that you accept its terms.
+
+
+Note that the version 1.1.5 of OwlPS was registered at the French Agency
+for Software Protection (//Agence pour la Protection des Programmes//,
+APP) under the number ``IDDN.FR.001.350014.000.R.P.2012.000.31500``.