diff --git a/.github/workflows/boxes.yml b/.github/workflows/boxes.yml
index 1ac0294..3172150 100644
--- a/.github/workflows/boxes.yml
+++ b/.github/workflows/boxes.yml
@@ -1,3 +1,17 @@
+#
+# boxes - Command line filter to draw/remove ASCII boxes around text
+# Copyright (c) 1999-2021 Thomas Jensen and the boxes contributors
+#
+# This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public
+# License, version 3, as published by the Free Software Foundation.
+# 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 <https://www.gnu.org/licenses/>.
+#____________________________________________________________________________________________________________________
+#====================================================================================================================
+
 name: build
 
 on: [push, pull_request, workflow_dispatch]