Page Collapse, Problem in wp-admin/options-general.php

Hi,

I have changed WordPress URL : http://twitterinfos.com into http://twitterinfos.com/wp-admin in Settings > General … the file name is http://twitterinfos.com/wp-admin/options-general.php

Now my site is not showing properly 🙁 see http://twitterinfos.com/ please help to fix this problem…

Thanks,
Mourees.