Walle/views/site/signedUp.php

<?php
use yii\helpers\Html;
use yii\widgets\ActiveForm;

/**
 * @var yii\web\View $this
 * @var yii\widgets\ActiveForm $form
 * @var \frontend\models\User $model
 */
$this->title = 'Signup';
$this->params['breadcrumbs'][] = $this->title;
?>
<div class="site-signup alert alert-info">
    <h1>Thank You</h1>

    <p>We have sent you an email with a confirmation link. Please check your Inbox.</p>

</div>