diff --git a/app/src/ble.c b/app/src/ble.c
index 6d2903fa..71bbccdd 100644
--- a/app/src/ble.c
+++ b/app/src/ble.c
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) 2020 Peter Johanson
+ *
+ * SPDX-License-Identifier: MIT
+ */
 
 #include <device.h>
 #include <init.h>