diff --git a/board/boundary/nitrogen6x/nitrogen6dl.cfg b/board/boundary/nitrogen6x/nitrogen6dl.cfg
index 5c3e961..b1e3c0f 100644
--- a/board/boundary/nitrogen6x/nitrogen6dl.cfg
+++ b/board/boundary/nitrogen6x/nitrogen6dl.cfg
@@ -1,8 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (C) 2013 Boundary Devices
  *
- * SPDX-License-Identifier:	GPL-2.0+
- *
  * Refer doc/README.imximage for more details about how-to configure
  * and create imximage boot image
  *