Looks like a stray -
got into your file.
$ curl -v http://www.awardwinnersonly.com/sitemap.xml
<?xml version="1.0" encoding="UTF-8"?>
-<urlset xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9
http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">