una/modules/base/text/template/author_link.html

<a class="bx-base-text-author" href="__href__" title="__title__">__content__</a><bx_if:show_account><span class="bx-def-font-small bx-def-font-grayed"><br />(<a href="__href__" title="__title__" target="_blank" class="bx-def-font-grayed">__content__</a>)</span></bx_if:show_account>