Thats an odd one. using Fire Bug to examine the page, if i change the content from 2 paragraph tags:
<h1>Plumbing 3</h1>
<p>Nunc tellus ipsum, condimentum ut dignissim sit.</p>
<p>Nunc tellus ipsum, condimentum ut dignissim sit</p>
to using only 1:
<h1>Plumbing 3</h1>
<p>Nunc tellus ipsum, condimentum ut dignissim sit
Nunc tellus ipsum, condimentum ut dignissim sit</p>
It seams to show as expected.
It also seams to work if i add width to each paragraph:
<h1>Plumbing 3</h1>
<p style="width: 550px;">Nunc tellus ipsum, condimentum ut dignissim sit.</p>
<p style="width:550px;">Nunc tellus ipsum, condimentum ut dignissim sit</p>