minor fix

Author: horike37

README.md

@@ -1,5 +1,5 @@
 ![serverless](http://public.serverless.com/badges/v3.svg)
-[![Build Status](https://travis-ci.org/horike37/serverless-apigateway-service-proxy.svg?branch=master)](https://travis-ci.org/horike37/serverless-apigateway-service-proxy) [![npm version](https://badge.fury.io/js/serverless-apigateway-service-proxy.svg)](https://badge.fury.io/js/serverless-apigateway-service-proxy) [![Coverage Status](https://coveralls.io/repos/github/horike37/serverless-apigateway-service-proxy/badge.svg?branch=master)](https://coveralls.io/github/horike37/serverless-apigateway-service-proxy?branch=master) [![MIT License]
+[![Build Status](https://travis-ci.org/horike37/serverless-apigateway-service-proxy.svg?branch=master)](https://travis-ci.org/horike37/serverless-apigateway-service-proxy) [![npm version](https://badge.fury.io/js/serverless-apigateway-service-proxy.svg)](https://badge.fury.io/js/serverless-apigateway-service-proxy) [![Coverage Status](https://coveralls.io/repos/github/horike37/serverless-apigateway-service-proxy/badge.svg?branch=master)](https://coveralls.io/github/horike37/serverless-apigateway-service-proxy?branch=master) [![MIT License](http://img.shields.io/badge/license-MIT-blue.svg?style=flat)](LICENSE)
 
 # Serverless APIGateway Service Proxy(BETA)
 This Serverless Framewrok plugin supports the AWS service proxy integration feature of API Gateway. You can directly connect API Gateway to AWS services without Lambda.