Fixed Twig syntax

Actually there is no `[ x => y]` Twig syntax. at least when I copy paste your code it throws an Exception `An array element must be followed by a comma. Unexpected token "operator" of value "=" ("punctuation" expected with value ",").`

docs/dev/element-queries/README.md

@@ -69,7 +69,7 @@ You can also batch-set parameters like so:
 {% set entries = craft.entries(
     {
         section: 'news',
-        orderBy: ['postDate' => SORT_DESC],
+        orderBy: {'postDate': SORT_DESC},
         limit: 10
     }
 ).all() %}