[Plugin: WordPress SEO by Yoast] Title with duplicated name of website

Hello,

I did find an issue while sharing my posts on Facebook. The plugin rewrite TWICE the name of my website as in here: http://d.pr/i/Tlx7

URL: http://www.internalartsinternational.com/

Can you please help?

Thanks

Mo

http://wordpress.org/extend/plugins/wordpress-seo/