diff --git a/src/Symfony/Component/Form/FormInterface.php b/src/Symfony/Component/Form/FormInterface.php
index 682c6a727f..9051aba51e 100644
--- a/src/Symfony/Component/Form/FormInterface.php
+++ b/src/Symfony/Component/Form/FormInterface.php
@@ -98,7 +98,7 @@ interface FormInterface extends \ArrayAccess, \Traversable, \Countable
     /**
      * Updates the form with default data.
      *
-     * @param  array $modelData The data formatted as expected for the underlying object
+     * @param  mixed $modelData The data formatted as expected for the underlying object
      *
      * @return FormInterface The form instance
      *