Updated link to new docs

Author: Joris van de Sande

README.md

@@ -9,7 +9,7 @@ by [Freshheads](http://www.freshheads.com) and will be maintained in sync with t
 **Links:**
 
 * [More information](http://www.postcodeapi.nu)
-* [API documentation](http://api.postcodeapi.nu/docs)
+* [API documentation](http://www.postcodeapi.nu/docs)
 
 Requirements
 ------------
@@ -32,6 +32,9 @@ Usage
 Instantiate the client and replace the API key with your personal credentials:
 
 ```php
+// Use the composer autoloader to load dependencies
+require_once 'vendor/autoload.php';
+
 // initiate client
 $apiKey = 'replace_with_your_own_api_key';
 $client = new \FH\PostcodeAPI\Client(new \GuzzleHttp\Client(), $apiKey);
@@ -41,11 +44,14 @@ $response = $client->getAddresses('5041EB', 21);
 $response = $client->getAddress('0855200000061001');
 ```
 
-Roadmap
--------
+Postcodeapi.nu Version 1
+------------------------
 
-A few things to be done in the future:
+Version 1 of PostcodeAPI will be available until 29-02-2016. You can still connect to this API via version 1.x of this client library.
+Version 1.x can be installed via composer:
 
-* Add model class responses
+```bash
+composer require freshheads/postcode-api-client:^1.0
+```
 
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