reference PR #215 in CHANGELOG

Author: StijnCaerts

CHANGELOG.md

@@ -16,7 +16,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ### Fixed
 
-- URL encode next href: [#213](https://github.com/stac-utils/stac-fastapi-elasticsearch-opensearch/issues/213)
+- URL encode next href: [#215](https://github.com/stac-utils/stac-fastapi-elasticsearch-opensearch/issues/215)
 - Do not overwrite links in Item and Collection objects before persisting in database [#210](https://github.com/stac-utils/stac-fastapi-elasticsearch-opensearch/issues/210)
 
 ## [v2.1.0]