Changed Site URL in General-Settings and now can't access admin

I’ve searched the forums and found similar questions but not the answer that I need. I built WP site under leonardsansone.com/wordpress1/ and all was ready to switch over from the old site to the new. I changed settings and moved index.php and .htaccess files. Now, even when entering leaonardsansone.com it jumps to leonardsansone.com/wordpress1 and the layout is not there. I can’t figure out where to make corrections and what those corrections are. I have read the instructions for changing and have done this successfully before. Any help would be greatly appreciated.
Thanks.