corrected the testimonies > help notes in comments
administrator spelling
spelling "capability"
simplified ..
$capability_type = clean_post_type_name($role_key);
necessary "Post-type-archive-in-menu"
removed from settings.php text
    // remove the action in-case other plugins/themes have also used tgmpa_register
    remove_action( 'tgmpa_register', 'help_note_tgmpa_register' );