Multi site url problems

HEllo Support,
I'm having a problem with the correct urls for my multi-site. It uses subdirectories, not subdomains. I changed all of the urls in the database options and blogs files - home url, siteurl, and file upload url, for each site. Also, I changed the url in the config.php file where it says domain_current_site. Is there any where else that this needs to be done?
Thanks for helping.