Show more tag: displaying multiple times

Hey Board,

I am trying to add the more link to the blog, but when I add it, it displays 3 times, instead just one time. Is it because I am putting in the wrong place:

Code:
<h1>Why Backup is SO important to your business</h1>
Your business is important, the way your business grows is important, so why not protect the one item that can, if lost, stolen, or corrupted, can ruin your business or cost you countless hours of recovery.<!–more–>

Thanks guys!