koel/resources/lang/es/pagination.php

<?php

return [
    /*
    |--------------------------------------------------------------------------
    | Pagination Language Lines
    |--------------------------------------------------------------------------
    |
    | The following language lines are used by the paginator library to build
    | the simple pagination links. You are free to change them to anything
    | you want to customize your views to better match your application.
    |
    */

    'previous' => '&laquo; Anterior',
    'next' => 'Siguiente &raquo;',
];