diff --git a/configs/advanced/common.yaml b/configs/advanced/common.yaml
index c7ff5ae19a..1881d10467 100644
--- a/configs/advanced/common.yaml
+++ b/configs/advanced/common.yaml
@@ -1,14 +1,19 @@
-# Copyright (C) 2019-2020 Zilliz. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
+# Licensed to the LF AI & Data foundation under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you 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
+#     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.
+# 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.
 
 common:
   defaultPartitionName: "_default"  # default partition name for a collection
-  defaultIndexName: "_default_idx"  # default index name 
+  defaultIndexName: "_default_idx"  # default index name
diff --git a/configs/advanced/data_coord.yaml b/configs/advanced/data_coord.yaml
index 6091582f93..4e0ffa5f4e 100644
--- a/configs/advanced/data_coord.yaml
+++ b/configs/advanced/data_coord.yaml
@@ -1,16 +1,21 @@
-# Copyright (C) 2019-2020 Zilliz. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
+# Licensed to the LF AI & Data foundation under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you 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
+#     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.
+# 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.
 
 datacoord:
   segment:
     maxSize: 512 # Maximum size of a segment in MB
-    sealProportion: 0.75 # It's the minimum proportion for a segment which can be sealed, 
+    sealProportion: 0.75 # It's the minimum proportion for a segment which can be sealed
     assignmentExpiration: 2000 # ms
diff --git a/configs/milvus.yaml b/configs/milvus.yaml
index cdef4f61a6..8cd6438de5 100644
--- a/configs/milvus.yaml
+++ b/configs/milvus.yaml
@@ -1,13 +1,18 @@
-# Copyright (C) 2019-2020 Zilliz. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
+# Licensed to the LF AI & Data foundation under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you 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
+#     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.
+# 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.
 
 # Related configuration of etcd, used to store Milvus metadata.
 etcd: