We have a good tutorial on this at the below link.
<a href="http://www.inmotionhosting.com/support/edu/joomla-3/site-settings/modify-site-name" target="_blank">How to change your Site Name in Joomla 3.0</a>
Like this Question? Tweet
Joomla Community Google+ Hangout #3
June 3rd, 2014
Thank you @RustyJoomla for letting me speak on the Joomla Community Google+ Hangout!