that doesn't suppose to be
it is maybe the type of terminal but i am not quite sure
try also this site it makes a prompt for you so the only thing you have to do is copy and paste
http://www.linuxhelp.net/guides/bashprompt/
try searching google there are lots of prompt theme manager
i am out options maybe someone else knows(must know )
and maybe you could try this thread
http://www.linuxquestions.org/questi...ash+prompt+PS1