pagination in review tab

hi. I want have deference pagination for review tab with wordpress comment setting.
I use below code,this code just show 5 comment and not show a link for other comment.

function woocommerce_product_review_list_args_mod($args){
  $args['per_page'] = 5;
  return $args;
}
add_filter( 'woocommerce_product_review_list_args', 'woocommerce_product_review_list_args_mod' );