diff --git a/src/script/src/test.rs b/src/script/src/test.rs
index be1fd1d08f6b..c937c4afd215 100644
--- a/src/script/src/test.rs
+++ b/src/script/src/test.rs
@@ -1,3 +1,17 @@
+// Copyright 2023 Greptime Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 use std::sync::Arc;
 
 use api::v1::greptime_request::Request;
@@ -16,7 +30,7 @@ use table::test_util::MemTable;
 use crate::error::{Error, Result};
 use crate::manager::ScriptManager;
 
-/// Setup the scripts table
+/// Setup the scripts table and create a script manager.
 pub async fn setup_scripts_manager(
     catalog: &str,
     schema: &str,