Config fix

README.md

@@ -53,7 +53,7 @@ After you've published the Laravel Scout package configuration:
 
 ## Usage
 
-Now you can use Laravel Scout as described [here](https://laravel-news.com/2016/08/laravel-scout-is-now-open-for-developer-testing/)
+Now you can use Laravel Scout as described in the [official documentation](https://laravel.com/docs/5.3/scout)
 ## Credits
 
 - [Erick Tamayo](https://github.com/ericktamayo)

src/ElasticsearchProvider.php

@@ -13,9 +13,9 @@ class ElasticsearchProvider extends ServiceProvider
      */
     public function boot()
     {
-        $this->app[EngineManager::class]->extend('elasticsearch', function($app){
+        resolve(EngineManager::class)->extend('elasticsearch', function($app){
             return new ElasticsearchEngine(ElasticBuilder::create()
-                ->setHosts(config('scout.elastic.hosts'))
+                ->setHosts(config('scout.elasticsearch.hosts'))
                 ->build(),
                 config('scout.elasticsearch.index')
             );