use laravel 5 way of choosing the 'default database connection name'

djug · djug · commit 5af73e223478 · 2015-12-06T06:46:20.000+01:00
diff --git a/README.md b/README.md
@@ -67,7 +67,7 @@ Configuration
 Change your default database connection name in `app/config/database.php`:
 
 ```php
-'default' => 'mongodb',
+'default' => env('DB_CONNECTION', 'mongodb'),
 ```
 
 And add a new mongodb connection:
