docs(model-usage): order expression format (#10061)

docs/models-usage.md

@@ -275,7 +275,7 @@ Project.findAll({ offset: 10, limit: 2 })
 The syntax for grouping and ordering are equal, so below it is only explained with a single example for group, and the rest for order. Everything you see below can also be done for group
 The syntax for grouping and ordering are equal, so below it is only explained with a single example for group, and the rest for order. Everything you see below can also be done for group
 
 
 ```js
 ```js
-Project.findAll({order: 'title DESC'})
+Project.findAll({order: [['title', 'DESC']]})
 // yields ORDER BY title DESC
 // yields ORDER BY title DESC
 
 
 Project.findAll({group: 'name'})
 Project.findAll({group: 'name'})