Fix error in docs for useSelector (#1255)

Author: janhesters

docs/api/hooks.md

@@ -107,7 +107,7 @@ You may call `useActions()` multiple times in a single component.
 import React from 'react'
 import { useActions } from 'react-redux'
 
-const increaseCounter = ({ amount }) => ({
+const increaseCounter = amount => ({
   type: 'increase-counter',
   amount
 })