Set apart the two paragraphs by setting a unique ID.

<html>
<body>
<h1>Custom Hike</h1>
<p id="motto">No more surprises</p>
<p id="custom">Pick a difficulty level, tell us your no-gos, and we'll recommend the best route.</p>
<script>
</script>
</body>
</html>]]>

Make sure to pick id="custom".