Fixed config publish command

Author: mikebronner

README.md

@@ -109,7 +109,7 @@ return [
 If you would like to make changes to the default configuration, publish and
  edit the configuration file:
 ```sh
-php artisan vendor:publish --provider="Geocoder\Laravel\GeocoderServiceProvider" --tag="config"
+php artisan vendor:publish --provider="Geocoder\Laravel\Providers\GeocoderService" --tag="config"
 ```
 
 ## Usage