Update Readme.md

Update Readme.md to reference new link per nikhil's req

Author: wooj2

README.md

@@ -5,7 +5,7 @@ AWS Amplify provides a declarative and easy-to-use interface across different ca
 Our default implementation works with Amazon Web Services (AWS), but AWS Amplify is designed to be open and pluggable for any custom backend or service.
 
 - **API Documentation**
-  https://aws-amplify.github.io/amplify-ios/docs
+  https://aws-amplify.github.io/docs/ios/start
 
 ## Features/APIs
 *Note: Amplify docs are still being updated and will go live by EOW. The below links will take you to the SDK documentation currently.