If your documentation is multilingual, than you may find this component useful. The markup for the language picker you can find below.
<!-- Language switcher --> <div class="languages js-languages [add some helpers]"> <span class="language-active js-language-active">[active language] <i class="fa fa-caret-down"></i></span> <ul class="languages-list js-languages-list"> <li><a href="/index.php?action=artikel&lang=en&cat=33&id=163&artlang=en#">[alternative language]</a></li> <li><a href="/index.php?action=artikel&lang=en&cat=33&id=163&artlang=en#">[alternative language]</a></li> <li><a href="/index.php?action=artikel&lang=en&cat=33&id=163&artlang=en#">[alternative language]</a></li> </ul> </div>