diff --git a/src/contracts/Repository/Values/Content/Query/Criterion/Location/IsBookmarked.php b/src/contracts/Repository/Values/Content/Query/Criterion/Location/IsBookmarked.php
index 2bb50d8647..36d7972270 100644
--- a/src/contracts/Repository/Values/Content/Query/Criterion/Location/IsBookmarked.php
+++ b/src/contracts/Repository/Values/Content/Query/Criterion/Location/IsBookmarked.php
@@ -13,6 +13,9 @@
 use Ibexa\Contracts\Core\Repository\Values\Content\Query\Criterion\Operator\Specifications;
 use Ibexa\Contracts\Core\Repository\Values\Filter\FilteringCriterion;
 
+/**
+ * This criterion only works for current user reference.
+ */
 final class IsBookmarked extends Location implements FilteringCriterion
 {
     public function __construct(bool $value = true)