Group Add On Change seat or seats to something else

my-pmpro-change-seat-text.php

<?php   // do not copy this line.
/**
 * This recipe will change the working Seat to what ever you choose
 * 
 * use with Group Account Add On. https://www.paidmembershipspro.com/add-ons/group-accounts/
 *
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */
 
 function my_pmpro_change_sponsor_text($translated_text, $original_text, $domain) {
	
	switch ( $translated_text ) {
            	
				case 'This purchase includes %s additional seat.' :
                			$translated_text = __( 'This purchase includes %s related members.', 'pmpro-group-accounts' );
				break;
				case 'This purchase includes %s additional seats.' :
                			$translated_text = __( 'This purchase includes %s related members.', 'pmpro-group-accounts' );
				break;
			
				case 'Number of Seats' :
					$translated_text = __( 'related members', 'pmpro-group-accounts' );
				break;	
			
				case 'Choose the number of seats to purchase. You can purchase between %s and %s seats.' :
					$translated_text = __( 'Choose the number of related members to purchase. You can purchase between %s and %s related members.', 'pmpro-group-accounts' );
                break;
    }
    return $translated_text;
}
add_filter( 'gettext', 'my_pmpro_change_sponsor_text', 20, 3 );