Change error message for when neither of required options is supplied

Author: shalvah

src/Mpociot/ApiDoc/Commands/GenerateDocumentation.php

@@ -76,7 +76,7 @@ public function handle()
         $this->setUserToBeImpersonated($this->option('actAsUserId'));
 
         if ($routePrefix === null && $routeDomain === null && ! count($allowedRoutes) && $middleware === null) {
-            $this->error('You must provide either a route prefix or a route domain or a middleware to generate the documentation.');
+            $this->error('You must provide either a route prefix, a route domain, a route or a middleware to generate the documentation.');
 
             return false;
         }