Update the shop's name using the title variable and the .innerHTML instruction.

<html>
<body>
<h2 id="rental">Ben's Bike Rental</h2>
<script>
var title = document.getElementById("rental");
title.innerHTML = "Ron's Bike Rental";
</script>
</body>
<html>]]>

Make sure to pick title followed by .innerHTML and then =, "Ron's Bike Rental".