document.querySelectorAll('.main-header__nav .hs-menu-wrapper>ul>li ul>li>a').forEach(function (element) {
  if (element.innerHTML.indexOf('<br>') !== -1) {
    var title = element.innerHTML.split('<br>')[0];
    var desc = element.innerHTML.split('<br>')[1];
    var titleText = title !== undefined ? '<span class="menu-text">' + title + '</span>' : '';
    var descText = desc !== undefined ? '<span class="menu-desc">' + desc + '</span>' : '';
    var finalText = titleText + descText;
    element.innerHTML = finalText;
    element.innerHTML = finalText;
  }
});