Add the sample code below to your child theme's functions.php file or in a site specific plugin. Then change the text after the arrow to something of your choice.
<?php
//* Do NOT include the opening php tag
//* Change the intro in order to messaging in registration checkout
function ee_custom_messaging_registration_checkout_in_order_to( $translated, $original, $domain ) {
$strings = array(
'In order to process your registration, we ask you to provide the following information.%1$sPlease note that all fields marked with an asterisk (%2$s) are required.' => 'In order to process your registration, we ask you to provide the following information.%1$sPlease note that all fields marked with an asterisk (%2$s) are required. Enter a name and email for each ticket option',
);
if ( isset( $strings[$original] ) ) {
$translations = get_translations_for_domain( $domain );
$translated = $translations->translate( $strings[$original] );
}
return $translated;
}
add_filter( 'gettext', 'ee_custom_messaging_registration_checkout_in_order_to', 10, 3 );
References: