From d7b4711b81312381c2f85086300dc4f2ca0504ea Mon Sep 17 00:00:00 2001
From: Christian Flothmann <christian.flothmann@xabbuh.de>
Date: Fri, 3 May 2019 08:54:17 +0200
Subject: [PATCH] remove invalid array type

---
 reference/forms/types/options/group_by.rst.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/reference/forms/types/options/group_by.rst.inc b/reference/forms/types/options/group_by.rst.inc
index f87fd34f11d..021d3156d6d 100644
--- a/reference/forms/types/options/group_by.rst.inc
+++ b/reference/forms/types/options/group_by.rst.inc
@@ -1,7 +1,7 @@
 group_by
 ~~~~~~~~
 
-**type**: ``array``, ``callable`` or ``string`` **default**: ``null``
+**type**: ``string`` or ``callable`` **default**: ``null``
 
 You can group the ``<option>`` elements of a ``<select>`` into ``<optgroup>``
 by passing a multi-dimensional array to ``choices``. See the