diff --git a/CHANGELOG.md b/CHANGELOG.md
index 37f8cb28d..57d37eaa8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.1.0/)
 
 ### Bug Fixes
 - Handle Not Found exceptions as successful deletions for agents and models ([#805](https://github.com/opensearch-project/flow-framework/pull/805))
+- Wrap CreateIndexRequest mappings in _doc key as required ([#809](https://github.com/opensearch-project/flow-framework/pull/809))
 
 ### Infrastructure
 ### Documentation
diff --git a/release-notes/opensearch-flow-framework.release-notes-2.16.0.0.md b/release-notes/opensearch-flow-framework.release-notes-2.16.0.0.md
index 79e0bd9e3..def29d50c 100644
--- a/release-notes/opensearch-flow-framework.release-notes-2.16.0.0.md
+++ b/release-notes/opensearch-flow-framework.release-notes-2.16.0.0.md
@@ -10,6 +10,7 @@ Compatible with OpenSearch 2.16.0
 
 ### Bug Fixes
 - Handle Not Found deprovision exceptions as successful deletions ([#805](https://github.com/opensearch-project/flow-framework/pull/805))
+- Wrap CreateIndexRequest mappings in _doc key as required ([#809](https://github.com/opensearch-project/flow-framework/pull/809))
 
 ### Infrastructure
 - Update dependency com.fasterxml.jackson.core:jackson-core to v2.17.2 ([#760](https://github.com/opensearch-project/flow-framework/pull/760))