diff --git a/code_polisseur/code_polisseur.ino b/code_polisseur/code_polisseur.ino
index 86c372e..081dec7 100644
--- a/code_polisseur/code_polisseur.ino
+++ b/code_polisseur/code_polisseur.ino
@@ -1,5 +1,19 @@
 /* 
- 
+Polisseur
+Copyright (C) 2019 Arofarn
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <RotaryEncoder.h>