wanna know if this is ok to put at bottom of home page?

i know yola / synthasite is all copyright. is it ok if i post this att he bottom of my page?

"Random Chaos Clan would like to thank Team Yola (formerly Synthasite) !!! Without you guys this site would not be possible!! Your service and your Professionalism is amazing!"

site link: http://randomchaos.synthasite.com/

please let me know if 5thats ok if not i will remove it