message: Can follow groups as well
diff: @@ -13,7 +13,7 @@ import unfollowMutation from 'react/components/FollowButton/mutations/unfollow';
  class FollowButton extends Component {
  static propTypes = {
  id: PropTypes.oneOfType([PropTypes.string, PropTypes.number]).isRequired,
  - type: PropTypes.oneOf(['USER', 'CHANNEL']).isRequired,
  + type: PropTypes.oneOf(['USER', 'GROUP', 'CHANNEL']).isRequired,
  data: PropTypes.shape({
  loading: PropTypes.bool.isRequired,
  followable: propType(followableFragment),
  