From f13081d12c7fe27da12db5d079cf42826af39403 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Haso=C5=88?= <martin.hason@gmail.com>
Date: Tue, 19 Sep 2017 13:52:15 +0200
Subject: [PATCH] [Form] Fix phpdoc

---
 src/Symfony/Component/Form/FormConfigInterface.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Form/FormConfigInterface.php b/src/Symfony/Component/Form/FormConfigInterface.php
index 47a2ac35a8..e66570cf5f 100644
--- a/src/Symfony/Component/Form/FormConfigInterface.php
+++ b/src/Symfony/Component/Form/FormConfigInterface.php
@@ -167,7 +167,7 @@ interface FormConfigInterface
     /**
      * Returns the class of the form data or null if the data is scalar or an array.
      *
-     * @return string The data class or null
+     * @return null|string The data class or null
      */
     public function getDataClass();