diff --git a/src/arenas/Battleship/act.php b/src/arenas/Battleship/act.php
index b928e8c..1bb6aa7 100644
--- a/src/arenas/Battleship/act.php
+++ b/src/arenas/Battleship/act.php
@@ -1,4 +1,15 @@
 <?php
+#- BEGIN LICENSE BLOCK ---------------------------------------
+#
+# This file is part of botsArena.
+#
+# Copyright (C) Gnieark https://blog-du-grouik.tinad.fr et contributeurs
+# Licensed under the GPL version 3.0 license.
+# See LICENSE file or
+# http://www.gnu.org/licenses/gpl-3.0-standalone.html
+#
+# -- END LICENSE BLOCK -----------------------------------------
+
 require_once(__DIR__."/functions.php");
 $bots=get_Bots_Array('Battleship');
 
diff --git a/src/arenas/Battleship/functions.php b/src/arenas/Battleship/functions.php
index 0fc1769..a5ac461 100644
--- a/src/arenas/Battleship/functions.php
+++ b/src/arenas/Battleship/functions.php
@@ -1,4 +1,15 @@
 <?php
+#- BEGIN LICENSE BLOCK ---------------------------------------
+#
+# This file is part of botsArena.
+#
+# Copyright (C) Gnieark https://blog-du-grouik.tinad.fr et contributeurs
+# Licensed under the GPL version 3.0 license.
+# See LICENSE file or
+# http://www.gnu.org/licenses/gpl-3.0-standalone.html
+#
+# -- END LICENSE BLOCK -----------------------------------------
+
 function is_it_possible_to_place_ships_on_grid($gridWidth,$gridHeight,$nbShipsSize1,$nbShipsSize2,$nbShipsSize3,$nbShipsSize4,$nbShipsSize5,$nbShipsSize6){
   //return false or true
   //not a perfect solution