diff --git a/boards/arm/mcimx6ul-evk/Makefile b/boards/arm/mcimx6ul-evk/Makefile
index dc1433b4d9941cfed535aa31ffc823ea2f93bd80..2b8618043da397842f1fd0dce23570acc68a6d58 100755
--- a/boards/arm/mcimx6ul-evk/Makefile
+++ b/boards/arm/mcimx6ul-evk/Makefile
@@ -1,3 +1,4 @@
+# Copyright (C) 2019-2020 Ping Wu <pingwu@mail.ustc.edu.cn>
 _BASE    = 1
 ARCH     = arm
 XARCH    = $(ARCH)