diff --git a/reference/forms/types/choice.rst b/reference/forms/types/choice.rst
index 1874fe700f6..285c54ef251 100644
--- a/reference/forms/types/choice.rst
+++ b/reference/forms/types/choice.rst
@@ -132,18 +132,18 @@ You can easily "group" options in a select by passing a multi-dimensional choice
     use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
     // ...
 
-    $builder->add('stockStatus', ChoiceType::class, [
-        'choices' => [
-            'Main Statuses' => [
+    $builder->add('stockStatus', ChoiceType::class, array(
+        'choices' => array(
+            'Main Statuses' => array(
                 'Yes' => 'stock_yes',
                 'No' => 'stock_no',
-            ],
-            'Out of Stock Statuses' => [
+            ),
+            'Out of Stock Statuses' => array(
                 'Backordered' => 'stock_backordered',
                 'Discontinued' => 'stock_discontinued',
-            ]
-        ],
-    );
+            )
+        ),
+    ));
 
 .. image:: /_images/reference/form/choice-example4.png
    :align: center