Update README.md

README.md

@@ -4,7 +4,8 @@
 
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-[![Build Status](https://img.shields.io/circleci/project/FGRibreau/node-request-retry.svg)](https://circleci.com/gh/FGRibreau/node-request-retry/) [![Coverage Status](https://img.shields.io/coveralls/FGRibreau/node-request-retry/master.svg)](https://coveralls.io/github/FGRibreau/node-request-retry?branch=master) [![Deps](	https://img.shields.io/david/FGRibreau/node-request-retry.svg)](https://david-dm.org/FGRibreau/node-request-retry) [![NPM version](https://img.shields.io/npm/v/requestretry.svg)](http://badge.fury.io/js/requestretry) [![Downloads](http://img.shields.io/npm/dm/requestretry.svg)](https://www.npmjs.com/package/requestretry) ![extra](https://img.shields.io/badge/actively%20maintained-yes-ff69b4.svg)
+[![Build Status](https://img.shields.io/circleci/project/FGRibreau/node-request-retry.svg)](https://circleci.com/gh/FGRibreau/node-request-retry/) [![Coverage Status](https://img.shields.io/coveralls/FGRibreau/node-request-retry/master.svg)](https://coveralls.io/github/FGRibreau/node-request-retry?branch=master) [![Deps](	https://img.shields.io/david/FGRibreau/node-request-retry.svg)](https://david-dm.org/FGRibreau/node-request-retry) [![NPM version](https://img.shields.io/npm/v/requestretry.svg)](http://badge.fury.io/js/requestretry) [![Downloads](http://img.shields.io/npm/dm/requestretry.svg)](https://www.npmjs.com/package/requestretry) 
+[![available-for-advisory](https://img.shields.io/badge/available%20for%20advising-yes-ff69b4.svg?)](http://bit.ly/2c7uFJq) ![extra](https://img.shields.io/badge/actively%20maintained-yes-ff69b4.svg)
 
 ![NPM](https://nodei.co/npm/requestretry.png?downloadRank=true) ![NPM](https://nodei.co/npm-dl/requestretry.png?months=3&height=2)