I make mistake in general admin setting

I make mistake in general admin setting in my wed site Now I can’t log in my WordPress. Went I try to log in is bring be to this page (( http://ccevangelique.org/wp-login.php it send me to Firefox can’t find the server at ccevangelique.or))) I change one setting in admin I thing this one ((((ccevangelique.or)))) I forgot my ( g )on (org) How can I fix this Now I receive message(((Firefox can’t find the server at ccevangelique.or))).
I can’t log in many more in admin to fix my mistake
I try to find someone in WordPress Admin can fix this problem Thank