import React from 'react'
import Header from '../components/Header'
import Counter from '../components/Counter'

export default () => (
  <div>
    <Header />
    <p>This is the about page.</p>
    <Counter />
  </div>
)

import Header from '../components/Header'
import Counter from '../components/Counter'

export default () => (
  <div>
    <Header />
    <p>This is the about page.</p>
    <Counter />
  </div>
)

Update about.js