fix changelog with correct PR reference

Signed-off-by: Dharin Shah <8616130+Dharin-shah@users.noreply.github.com>

CHANGELOG.md

@@ -121,7 +121,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Adding slf4j license header to LoggerMessageFormat.java ([#11069](https://github.com/opensearch-project/OpenSearch/pull/11069))
 - [BWC and API enforcement] Introduce checks for enforcing the API restrictions ([#11175](https://github.com/opensearch-project/OpenSearch/pull/11175))
 - Create separate transport action for render search template action ([#11170](https://github.com/opensearch-project/OpenSearch/pull/11170))
-- Backwards compatible support for returning scores in matched queries ((https://github.com/opensearch-project/OpenSearch/pull/11549))
+- Backwards compatible support for returning scores in matched queries ((https://github.com/opensearch-project/OpenSearch/pull/11626))
 
 ### Dependencies
 - Bump Lucene from 9.7.0 to 9.8.0 ([10276](https://github.com/opensearch-project/OpenSearch/pull/10276))