How to rename “Your digital license(s)” titles

To change the title called “Your digital license(s)” in various places in My Account section to something else, place this code in your functions.php or your plugins.

add_filter( 'dlm_licenses_table_heading', function () {
    return "License Keys";
} );

Notes:

1. Always back up your site before changing anything.
2. If possible place this snippet in a child theme, that way your changes won’t be overridden by an update.