/*******A SIDE BY SIDE CHECKOUT PAGE, CHANGES Billing details text-Copy and Paste contents of this file into a (PHP FILE) snippet*******/

function filter_gettext( $translated, $original_text, $domain ) {   
    // Is admin
    if ( is_admin() ) return $translated;
    
    // No match
    if ( $original_text != 'Billing details' ) return $translated;
    
    // Match
    $translated = __( 'Enter Your Billing Information', $domain );
    
    return $translated;
}
add_filter( 'gettext', 'filter_gettext', 10, 3 );
