Fixed bad link in Readme (issue #48)

Author: MattCollins84

README.md

@@ -20,7 +20,7 @@ Once the data is uploaded, you can use the UI to browse and manage your data via
 * faceting
 * caching of popular searches
 
-You can use this along with the rest of the API to integrate the Simple Search Service into your apps. For a full API reference, [click here](API Reference.md).
+You can use this along with the rest of the API to integrate the Simple Search Service into your apps. For a full API reference, [click here](https://github.com/ibm-cds-labs/simple-search-service#api-reference).
 
 While this app is a demo to showcase how easily you can build an app on Bluemix using Node.js and Cloudant, it also provides a mature search API that scales with the addition of multiple Simple Search Service nodes and a centralized cache using Redis by Compose.io. In fact, a similar architecture powers the search experience in the Bluemix services catalog.