diff --git a/app/boards/shields/cradio/Kconfig.defconfig b/app/boards/shields/cradio/Kconfig.defconfig
index 0999eff9..47dd02bd 100644
--- a/app/boards/shields/cradio/Kconfig.defconfig
+++ b/app/boards/shields/cradio/Kconfig.defconfig
@@ -1,3 +1,5 @@
+# Copyright (c) 2020 The ZMK Contributors
+# SPDX-License-Identifier: MIT
 
 if SHIELD_CRADIO_LEFT