diff --git a/eZ/Publish/API/Repository/LocationService.php b/eZ/Publish/API/Repository/LocationService.php
index 4bc04347ec..e8af6dbc4b 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()} with
+     * {@see \eZ\Publish\Core\QueryType\BuiltIn\ChildrenQueryType} as an alternative.
+     *
      * @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