supplemental-ui/partials/article-404-en.hbs

<article class="doc">
<h1 class="page">{{{or page.title 'Page Not Found'}}}</h1>
<div class="paragraph">
<p>The page you&#8217;re looking for does not exist. It may have been moved. You can{{#with site.homeUrl}} return to the <a href="/en{{{this}}}">start page</a>, or{{/with}} follow one of the links in the navigation to the left.</p>
</div>
<div class="paragraph">
<p>If you arrived at this page by clicking on a link, please notify the owner of the site that the link is broken.
If you typed the URL of this page manually, please double-check that you entered the address correctly.</p>
</div>
</article>