diff --git a/ordo/action/filesystem.scm b/ordo/action/filesystem.scm
index 87e421b..bb87ae3 100644
--- a/ordo/action/filesystem.scm
+++ b/ordo/action/filesystem.scm
@@ -1,3 +1,20 @@
+#|
+This file is part of Ordo.
+
+Copyright (C) 2025 Ray Miller
+
+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, version 3.
+
+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/>.
+|#
+
 (define-module (ordo action filesystem)
   #:use-module (ice-9 binary-ports)
   #:use-module (ice-9 match)
diff --git a/ordo/action/quadlet.scm b/ordo/action/quadlet.scm
index c4b65c2..883baf0 100644
--- a/ordo/action/quadlet.scm
+++ b/ordo/action/quadlet.scm
@@ -1,3 +1,20 @@
+#|
+This file is part of Ordo.
+
+Copyright (C) 2025 Ray Miller
+
+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, version 3.
+
+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/>.
+|#
+
 (define-module (ordo action quadlet)
   #:use-module (ice-9 filesystem)
   #:use-module (ini)