add_filter('site-reviews/views/data', function ($data, $view) {
    if ('templates/woocommerce/reviews' !== $view) {
        return $data;
    }
	if (!isset($data['ratings']) || !isset($data['reviews'])) {
        return $data;
	}
	if (!empty($data['ratings']->reviews) || !is_string($data['reviews'])) {
		return $data;
	}
    $data['reviews'] = sprintf('
%s%s
',
		$data['reviews'],
		apply_filters('nectar_woocommerce_no_reviews_title', '')
   );
    return $data;
}, 10, 2);