diff --git a/internal/model/poll.go b/internal/model/poll.go
index b1c9bec..94daded 100644
--- a/internal/model/poll.go
+++ b/internal/model/poll.go
@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2024 Dan Anglin <d.n.i.anglin@gmail.com>
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 package model
 
 import (