diff --git a/examples/bluetooth/nimble/throughput_app/blecent_throughput/main/gattc.h b/examples/bluetooth/nimble/throughput_app/blecent_throughput/main/gattc.h
index 4da6369cd2..5f7a9a1260 100644
--- a/examples/bluetooth/nimble/throughput_app/blecent_throughput/main/gattc.h
+++ b/examples/bluetooth/nimble/throughput_app/blecent_throughput/main/gattc.h
@@ -1,4 +1,6 @@
 /*
+ * // Modifications Copyright 2020-2021 Espressif Systems (Shanghai) CO., LTD.
+ *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
diff --git a/examples/bluetooth/nimble/throughput_app/bleprph_throughput/main/gatt_svr.c b/examples/bluetooth/nimble/throughput_app/bleprph_throughput/main/gatt_svr.c
index 8af26d5e32..ce0f43f311 100644
--- a/examples/bluetooth/nimble/throughput_app/bleprph_throughput/main/gatt_svr.c
+++ b/examples/bluetooth/nimble/throughput_app/bleprph_throughput/main/gatt_svr.c
@@ -1,4 +1,6 @@
 /*
+ * Copyright 2020-2021 Espressif Systems (Shanghai) PTE LTD
+ *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
diff --git a/examples/bluetooth/nimble/throughput_app/bleprph_throughput/main/gatts_sens.h b/examples/bluetooth/nimble/throughput_app/bleprph_throughput/main/gatts_sens.h
index cd39bb5cd3..bc52837d39 100644
--- a/examples/bluetooth/nimble/throughput_app/bleprph_throughput/main/gatts_sens.h
+++ b/examples/bluetooth/nimble/throughput_app/bleprph_throughput/main/gatts_sens.h
@@ -1,4 +1,6 @@
 /*
+ * Copyright 2020-21 Espressif Systems (Shanghai) PTE LTD
+ *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information