Is there a way to change my PSP gamer tag?

I do not own a ps3. Is there anyway I can change my gamer tag, I spelled it wrong. All it lets me change is my password. Also, it is a new psp go.Is there a way to change my PSP gamer tag?no playstation wont let you change, i tried to change mine also but they dont allow it. If you dont have any money on the account just create a new one.

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