[rt-users] changing the rt name

[IPTunnel]

i have rt up and running with about 500 tickets in already ..however i 
would like to change the  [XXXXXXXXXX #177] to [ yyyyyyyyyyyyy #177] for 
example ...so i changed the rtname in the config.pl file but it only 
uses the new name when tickets are created through email when tickets 
are created from the web interface it still shows the old name and when 
tickets are resolved it shows the old name ...does anyone have any ideas 
on how to fix this?