WordPress change the login error messages (http://www.xxx.net/wp/wp-login.php?checkemail=confirm)

gistfile1.txt

add_filter( 'wp_login_errors', 'wpse_161709', 10, 2 );
function wpse_161709( $errors, $redirect_to )
{
   if( isset( $errors->errors['confirm'] ) ) {

        // echo "<pre>";
        // print_r($errors->errors);
        // echo "</pre>";
        // echo $errors->errors['confirm'][0];
        $errors->errors['confirm'][0] = "Please wait for and email, you don't need to do anything right now.";

   } 

   return $errors;
}