<li><a href="tests/negative.html">Negative Numbers</a></li>
<li><a href="tests/noise.html">Noisy Data</a></li>
<li><a href="tests/two-series.html">Multiple Series</a></li>
- <li><a href="tests/highlighted-region">Custom Underlay / background</a></li>
+ <li><a href="tests/highlighted-region.html">Custom Underlay / background</a></li>
</ul>
</div>