Wrong Address entered in ITR , but ITR Not yet E-verified . Should i Revise return ?

Dear Sir,

I have entered my State as "Kerala' instead of "Maharashtra" in  ITR 2.

But i have Not yet E-verified the ITR 2.

Q.1 )   So should i File  Revised Return  ?

Q.2)   If yes i should file Revised Return, then should i E-Verfify the Original Return ?

Plz reply