Change text with str_replace on the Gift Levels PMPro Add-On

my_change_text_giftaddon.php

<?php

/*
Replace or translate text strings that's not translatable with gettext.
*/

// Check page content and replace text strings
function my_change_text_gift_addon( $text ) {

	global $pmpro_pages;
	
	if ( is_page( $pmpro_pages['account'] ) || is_page( $pmpro_pages['confirmation'] ) ) {
				$text = str_replace( 'Gift Codes', 'Códigos de Regalo', $text ); 
				$text = str_replace( 'Share this link with your gift recipient', 'Comparte este enlace con tu destinatario del regalo', $text );
	}
	return $text;
}
add_filter( 'the_content', 'my_change_text_gift_addon', 100 );