/home/optimumoperation/moderncms.optimumoperations.top/core/resources/lang/ko/auth.php
<?php

return [
    /*
    |--------------------------------------------------------------------------
    | Authentication Language Lines
    |--------------------------------------------------------------------------
    |
    | The following language lines are used during authentication for various
    | messages that we need to display to the user. You are free to modify
    | these language lines according to your application's requirements.
    |
    */

    'failed'   => '제출된 인증 정보가 레코드와 일치하지 않습니다.',
    'throttle' => '너무 많은 로그인을 시도하였습니다. :seconds 초 후에 다시 시도하십시요.',
];