Removing copyright label in joomla sharper templates

In order to edit designed by info you need to follow those steps.

Step 1: Copy brand.php from plugins/system/helix/features/ to you templates features folder. Now modify it according to your need.
Step 1: You can permanently remove brand info from your site. In order to do so, open your templates index.php and remove the line

$helix->addFeature('brand')

joomla credit info can be disabled from the advanced tool from the template within the administrator panel