Modify change log

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

CHANGELOG.md

@@ -121,7 +121,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Introduce a new setting `index.check_pending_flush.enabled` to expose the ability to disable the check for pending flushes by write threads ([#12710](https://github.com/opensearch-project/OpenSearch/pull/12710))
 - Built-in secure transports support ([#12435](https://github.com/opensearch-project/OpenSearch/pull/12435))
 - Lightweight Transport action to verify local term before fetching cluster-state from remote ([#12252](https://github.com/opensearch-project/OpenSearch/pull/12252/))
-- Convert ingest processor supports ip type
+- Convert ingest processor supports ip type ([#12818](https://github.com/opensearch-project/OpenSearch/pull/12818))
 
 ### Dependencies
 - Bump `peter-evans/find-comment` from 2 to 3 ([#12288](https://github.com/opensearch-project/OpenSearch/pull/12288))