diff --git a/keyboards/keebio/sinc/keymaps/via/keymap.c b/keyboards/keebio/sinc/keymaps/via/keymap.c
index 2a54d1aa..a1299ce1 100644
--- a/keyboards/keebio/sinc/keymaps/via/keymap.c
+++ b/keyboards/keebio/sinc/keymaps/via/keymap.c
@@ -1,3 +1,6 @@
+// Copyright 2023 Danny Nguyen (danny@keeb.io)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 #include QMK_KEYBOARD_H
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {