Typo fix

[bookstack] / app / Application.php

<?php

namespace BookStack;

class Application extends \Illuminate\Foundation\Application
{

    /**
     * Get the path to the application configuration files.
     *
     * @param  string  $path Optionally, a path to append to the config path
     * @return string
     */
    public function configPath($path = '')
    {
        return $this->basePath.DIRECTORY_SEPARATOR.'app'.DIRECTORY_SEPARATOR.'Config'.($path ? DIRECTORY_SEPARATOR.$path : $path);
    }

}