diff --git a/src/DataGroup/Element/PaymentReference.php b/src/DataGroup/Element/PaymentReference.php
index 2e58da0..8cf287f 100644
--- a/src/DataGroup/Element/PaymentReference.php
+++ b/src/DataGroup/Element/PaymentReference.php
@@ -93,6 +93,7 @@ public static function loadValidatorMetadata(ClassMetadata $metadata): void
         ]);
 
         $metadata->addPropertyConstraints('reference', [
+            /** @phpstan-ignore-next-line because docs do not match bc compatible syntax */
             new Assert\Type([
                 'type' => 'alnum',
                 'groups' => [self::TYPE_QR]