diff --git a/src/Annotations/RequestBody.php b/src/Annotations/RequestBody.php
index 29813c105..24fd1540f 100644
--- a/src/Annotations/RequestBody.php
+++ b/src/Annotations/RequestBody.php
@@ -49,7 +49,7 @@ class RequestBody extends AbstractAnnotation
      * The key is a media type or media type range and the value describes it. For requests that match multiple keys,
      * only the most specific key is applicable. e.g. text/plain overrides text/*.
      *
-     * @var MediaType[]
+     * @var array<string, MediaType>|JsonContent|XmlContent
      */
     public $content = Generator::UNDEFINED;
 
diff --git a/src/Attributes/RequestBody.php b/src/Attributes/RequestBody.php
index a2438d146..0b713d825 100644
--- a/src/Attributes/RequestBody.php
+++ b/src/Attributes/RequestBody.php
@@ -12,13 +12,14 @@
 class RequestBody extends \OpenApi\Annotations\RequestBody
 {
     /**
-     * @param array<string,string>|null $x
-     * @param Attachable[]|null         $attachables
+     * @param array<string, MediaType>|JsonContent|XmlContent|null $content
+     * @param array<string,string>|null                            $x
+     * @param Attachable[]|null                                    $attachables
      */
     public function __construct(
         ?string $description = null,
         ?bool $required = null,
-        $content = null,
+        array|JsonContent|XmlContent|null $content = null,
         // annotation
         ?array $x = null,
         ?array $attachables = null