Need to change rss link in Varient - News & Magazine Script

Hi My blog is on wordpress and rss link for my blog is somthing like .com/feed/fsk?manish Now I have another php site with Varient script. this script rss link is .com//rss-feeds I want to change rss link of php site is similar to my wordpress site so that my feed will keep going to the source. Please read details carefully. only apply who have done before this type job. if you know its only half hour work.