silverstripe-docsviewer/templates/Layout/DocumentationViewer_error.ss

<div id="documentation_error_page" class="box">
	<div class="warningBox" id="pageNotFoundWarning">
		<div class="warningBoxTop">
			<h1>We're sorry&#8230;</h1>
			<p>The page you are looking for does not exist, or might have moved.
			<h5>Perhaps you could&#8230;</h5>
			<ul>
				<li>Return to the <a href="$BaseHref">homepage</a></li> 
				<li>Try searching for the page (see input box on the top right).</li>
			</ul>
		</div>
	</div>
</div>