Xbox Gamertag Help?

I got a new gamertag but now there seems to be a problem, while playing battlefield BC 2 there is always a + sign in between my name, so its like...

Source: http://forums.ufc.production.sparkart.net/showthread.php?t=92976&goto=newpost

John Alessio  Houston Alexander Ricardo Almeida  Eddie Alvarez Thiago Alves