Originally Posted by
Simmo!
I think its likely a company that size will be monitoring the wiki page with a view to brand management, GPFP. Which means that you (or anyone) can do an edit but you'll probably find anything resembling bad press will simply be edited out just as quick.
You can try as elgoog says, simply by clicking the "edit" link on the section you wish to add, but my dollar says an email will be pinged off to someone looking after Bwins brand reputation immediately (you can set email monitoring on any wiki page) and the edit won't stick for long.
Cheers,
Simmo!