updated readme

README.md

@@ -9,24 +9,35 @@ Subdomains are placed at the beginning of a route by default.
 
 var subdomains = require('express-subdomains')
     , express = require('express')
-    , app = Express.createServer()
+    , app = Express.createServer();
 
 // example: api.example.com/user -> '/api/user'
 
 subdomains
   .use('api')
-  .use('other.vanity.domain')
+  .use('other.vanity.domain');
 
-app.use(subdomains.middleware)
+// Place this line before 
+// app.use(app.router)
+app.use(subdomains.middleware);
 
+// Path for domain/api/user and api.domain/user
 app.get('/api/user' function (req, res, next) {
   // ..
 })
 
-app.listen()
+app.listen();
 
 ````
 
+## Testing locally
+
+Add the following line(s) to your /etc/hosts file
+```
+127.0.0.1   api.localhost
+127.0.0.1   other.vanity.domain.localhost
+```
+
 ## Tests
 
 `npm install mocha -g` and `make test`