diff --git a/user_space/sdrctl_src/cmd.c b/user_space/sdrctl_src/cmd.c
index 614501c..29f1951 100644
--- a/user_space/sdrctl_src/cmd.c
+++ b/user_space/sdrctl_src/cmd.c
@@ -1,4 +1,5 @@
-// SPDX-FileCopyrightText: 2019 Jiao Xianjun <putaoshu@msn.com>
+// Author: Xianjun Jiao
+// SPDX-FileCopyrightText: 2019 UGent
 // SPDX-License-Identifier: AGPL-3.0-or-later
 
 #include <stdbool.h>