[Plugin: WP-UserOnline] How to remove link

It’s about the link existing in the widget, that allows anyone to go to “http://www.yoursite.com/useronline/”. It is enough for logged-in users to see which is what from the dashboard and that’s why I want to remove the link from the widget.

http://ww.wp.xz.cn/extend/plugins/wp-useronline/