all-in-one-event-calendar/public/admin/themes-updated.php

<div class="wrap">

    <h2><?php _e( 'Update Calendar Themes', AI1EC_PLUGIN_NAME ); ?></h2>

    <?php echo $msg; ?>

    <?php if ( $errors ): ?>
        <?php foreach ( $errors as $error ): ?>
            <?php echo $error; ?>
        <?php endforeach; ?>
    <?php endif; ?>

    <p><a class="button" href="<?php echo AI1EC_SETTINGS_BASE_URL; ?>"><?php _e( 'All-in-One Event Calendar Settings »', AI1EC_PLUGIN_NAME ); ?></a></p>
</div>