<div class="tooltip">
    <!-- ko if: heading -->
    <h1 data-bind="text: heading"></h1>
    <!-- /ko-->
    <div data-bind="html: observableText, scrollable: true"></div>

    <!-- ko if: articleKey -->
    <a href="#" class="btn btn-link" data-bind="helpCenter: articleKey">Learn more ></a>
    <!-- /ko-->
</div>

<span class="text-hide" aria-live="polite" data-bind="text: announcementText"></span>