Editing the WordPress Footer Text
Handy walkthru here… if you do anything on WordPress, this is one of those questions that you’ll need an answer for sooner or later:
For those wondering, the footer is the bottom part of your website that appears after the content area. This can be a copyright statement, the year, contact details, branding, social media icons, privacy policy links, disclaimers, and so many other things you want it to be.
Source: How to Edit the Footer in WordPress