diff --git a/eZ/Publish/API/Repository/LocationService.php b/eZ/Publish/API/Repository/LocationService.php
index 4bc04347ec..e7b1d24772 100644
--- a/eZ/Publish/API/Repository/LocationService.php
+++ b/eZ/Publish/API/Repository/LocationService.php
@@ -97,6 +97,10 @@ public function loadLocations(ContentInfo $contentInfo, ?Location $rootLocation
     /**
      * Loads children which are readable by the current user of a location object sorted by sortField and sortOrder.
      *
+     * Use this method with caution. It performs heavy queries on the database. Consider using
+     * {@see \eZ\Publish\API\Repository\SearchService::findLocations()} as an alternative which
+     * uses Search Engine internally.
+     *
      * @param \eZ\Publish\API\Repository\Values\Content\Location $location
      * @param int $offset the start offset for paging
      * @param int $limit the number of locations returned