How to remove the Skadate attribution link from my site?
If you want to remove the Powered by SkaDate link from the bottom right from your site - you should upgrade to Complete Solution.
To change the © Copyright My Dating Site text, go to Admin area > Settings > Language
Enter the Copyright word to the Search box.
Click Go.
Replace Copyright with any word you need.
There is no need to modify the {$site_name} variable.
It will be automatically replaced with the value given in Admin area > Settings > General > Site Name field.