I just designed a new survey and when I preview the survey at the very bottom it shows 'Copyright © 2008-2018 EntroGen, Inc. All rights reserved.' I've searched everywhere, but can't figure out how to change it to 2019. Can you tell me where to find where this info is being pulled from so I can update it? I'm currently using Version 3.15.5+181115. I've search through all the configurations and even downloaded the application files and looked there, but can't seem to locate it.

My guess is that it is in one of your custom theme twig files.