Modify changelog

Signed-off-by: Gao Binlong <gbinlong@amazon.com>

CHANGELOG.md

@@ -93,7 +93,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Add unreferenced file cleanup count to merge stats ([#10204](https://github.com/opensearch-project/OpenSearch/pull/10204))
 - [Remote Store] Add support to restrict creation & deletion if system repository and mutation of immutable settings of system repository ([#9839](https://github.com/opensearch-project/OpenSearch/pull/9839))
 - Improve compressed request handling ([#10261](https://github.com/opensearch-project/OpenSearch/pull/10261))
-- Set ingest processor supports copying from one field to another 
+- Set ingest processor supports copying from one field to another ([#10529](https://github.com/opensearch-project/OpenSearch/pull/10529))
 
 ### Dependencies
 - Bump `peter-evans/create-or-update-comment` from 2 to 3 ([#9575](https://github.com/opensearch-project/OpenSearch/pull/9575))