[ci skip] v0 branch is the older webcomponents

Author: dfreedm

README.md

@@ -3,7 +3,7 @@ webcomponents.js (v1 spec polyfills)
 
 [![Build Status](https://travis-ci.org/webcomponents/webcomponentsjs.svg?branch=master)](https://travis-ci.org/webcomponents/webcomponentsjs)
 
-> **Note**. For polyfills that work with the older Custom Elements and Shadow DOM v0 specs, see the [master branch](https://github.com/webcomponents/webcomponentsjs/).
+> **Note**. For polyfills that work with the older Custom Elements and Shadow DOM v0 specs, see the [v0 branch](https://github.com/webcomponents/webcomponentsjs/tree/v0).
 
 A suite of polyfills supporting the [Web Components](http://webcomponents.org) specs: