New features in README

Author: janaz

README.md

@@ -1,6 +1,6 @@
 # lambda-request-handler
 
-An npm module that allows your Node.js web applications to be deployed as an AWS Lambda function.
+An npm module that allows your Node.js web applications to be deployed as an AWS Lambda function and invoked in response to API Gateway or Application Load Balancer requests.
 
 [![Build Status](https://travis-ci.org/janaz/lambda-request-handler.svg?branch=master)](https://travis-ci.org/janaz/lambda-request-handler)
 
@@ -21,6 +21,10 @@ The main differences between this module and `aws-serverless-express` are
 * It's faster, because it doesn't need to pass the request to the internal server through the unix socket
 * It's free from issues caused by limits in Node.js http module such as header size limit
 
+The handler supports events from the following sources:
+- API Gateway
+- Application Load Balancer
+
 ## Usage
 
 The default export of `lambda-request-handler` is a function that takes an application handler (i.e. Express.js app instance) as an argument and returns an AWS Lambda handler function.