manipulate_elasticsearch_query.md: Link to PHP API Ref

Author: adriendupuis

docs/search/extensibility/manipulate_elasticsearch_query.md

@@ -5,7 +5,7 @@ description: Manipulate the search query when using the Elasticsearch search eng
 # Manipulate Elasticsearch query
 
 You can customize the search query before it's executed.
-To do it, subscribe to `Ibexa\Contracts\ElasticSearchEngine\Query\Event\QueryFilterEvent`.
+To do it, subscribe to [`Ibexa\Contracts\Elasticsearch\Query\Event\QueryFilterEvent`](../../api/php_api/php_api_reference/classes/Ibexa-Contracts-Elasticsearch-Query-Event-QueryFilterEvent.html).
 
 The following example shows how to add an additional Search Criterion to all queries.