diff --git a/NOTICE b/NOTICE
deleted file mode 100644
index be83767d..00000000
--- a/NOTICE
+++ /dev/null
@@ -1,12 +0,0 @@
-OpenSearch
-Copyright 2021 OpenSearch Contributors
-
-This product includes software developed by
-Elasticsearch (http://www.elastic.co).
-Copyright 2009-2018 Elasticsearch
-
-This product includes software developed by The Apache Software
-Foundation (http://www.apache.org/).
-
-This product includes software developed by
-Joda.org (http://www.joda.org/).
diff --git a/NOTICE.txt b/NOTICE.txt
new file mode 100644
index 00000000..731cb600
--- /dev/null
+++ b/NOTICE.txt
@@ -0,0 +1,2 @@
+OpenSearch (https://opensearch.org/)
+Copyright OpenSearch Contributors
diff --git a/README.md b/README.md
index 512a41b8..5700913c 100644
--- a/README.md
+++ b/README.md
@@ -58,4 +58,4 @@ See the [LICENSE](./LICENSE) file for our project's licensing. We will ask you t
 
 ## Copyright
 
-Copyright 2020-2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+Copyright OpenSearch Contributors. See [NOTICE](NOTICE.txt) for details.