Themedd has four footer widget areas. Using the code snippet below you can configure more, or less. The footer widget areas shown from the Appearance → Widgets page will then reflect the new number.
/**
* Configure the number of footer widget areas.
*
* @return int Number of footer widget areas
*/
function themedd_snippet_footer_widget_areas() {
return 2;
}
add_filter( 'themedd_footer_widget_areas', 'themedd_snippet_footer_widget_areas' );