Tweak readme wording

Author: rbibby

README.md

@@ -14,10 +14,9 @@ First, use composer to require the package as below:
 composer require ukfast/laravel-sieve
 ```
 
-If you have a Lumen project you will need to register the service provider as below.
 In Laravel the service provider will be automatically discovered.
 
-You register the service provider in the `providers` key in ``config/app.php`:
+If you are using Lumen you will need to register the service provider in the `providers` key in `config/app.php`:
 
 ```
 UKFast\Sieve\SieveServiceProvider::class,