Modify changelog

Signed-off-by: Gao Binlong <[email protected]>

Author: gaobinlong

CHANGELOG.md

@@ -69,7 +69,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Streaming bulk request hangs ([#16158](https://github.com/opensearch-project/OpenSearch/pull/16158))
 - Fix warnings from SLF4J on startup when repository-s3 is installed ([#16194](https://github.com/opensearch-project/OpenSearch/pull/16194))
 - Fix protobuf-java leak through client library dependencies ([#16254](https://github.com/opensearch-project/OpenSearch/pull/16254))
-- Fix multi-search with template doesn't return status code
+- Fix multi-search with template doesn't return status code ([#16265](https://github.com/opensearch-project/OpenSearch/pull/16265))
 
 ### Security