@ sign appears as (at) in mobile site

help - i am at a loss as to correct this - anyone come across it before

Did you read topics:
www.mobilejoomla.com/forum/17-other/11187-qq-is-displayed-as-qatq-in-mobile-version.html
www.mobilejoomla.com/forum/4-feature-requests/13636-contact-info-not-formatted-correctly-for-mobile-use.html

thank you