diff --git a/tests/fuzz/tune/autotuning/sa_model_optimizer.py b/tests/fuzz/tune/autotuning/sa_model_optimizer.py
index 4c87f6f38d033895ed3eeadd31b54caa3e87b7d1..2c2c0a35d6ea0dafa9c6ab24c2bd360493901ae9 100644
--- a/tests/fuzz/tune/autotuning/sa_model_optimizer.py
+++ b/tests/fuzz/tune/autotuning/sa_model_optimizer.py
@@ -1,3 +1,4 @@
+# This is the Python adaptation and derivative work of TVM (https://github.com/apache/incubator-tvm/).
 # Copyright 2019 Huawei Technologies Co., Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/tests/fuzz/tune/autotuning/xgb_cost_model.py b/tests/fuzz/tune/autotuning/xgb_cost_model.py
index 08c69f220b9a7a06f2ed7db45b3ab9f3247bf160..461aa58a52aba6fe72a98387bd97f79af771c68a 100644
--- a/tests/fuzz/tune/autotuning/xgb_cost_model.py
+++ b/tests/fuzz/tune/autotuning/xgb_cost_model.py
@@ -1,3 +1,4 @@
+# This is the Python adaptation and derivative work of TVM (https://github.com/apache/incubator-tvm/).
 # Copyright 2019 Huawei Technologies Co., Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");