1 files changed, 1 insertions, 0 deletions

diff --git a/plugin.h b/plugin.h
index 7a8ed09..6f61a21 100644
--- a/plugin.h
+++ b/plugin.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 #ifndef PLUGIN_H
 #define PLUGIN_H