diff --git a/src/Metadata/Discriminator.php b/src/Metadata/Discriminator.php
index 3601438c..0855ba31 100644
--- a/src/Metadata/Discriminator.php
+++ b/src/Metadata/Discriminator.php
@@ -7,7 +7,7 @@
 final readonly class Discriminator
 {
     public function __construct(
-        /** @var array<string, class-string<object>> */
+        /** @var array<string, class-string> */
         public array $mapping,
         public ?string $propertyName = null,
     ) {