readme: travis badge should show master branch status

Right now it's showing status of most recent build, which can be misleading.
cegeka · Jun 23, 2016 · 1b91fdd · 1b91fdd
1 parent befc67d
commit 1b91fdd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.markdown b/README.markdown
@@ -7,7 +7,7 @@ before upgrading or installing Version 0.1.0 or greater.
 
 [![Puppet
 Forge](http://img.shields.io/puppetforge/v/jfryman/nginx.svg)](https://forge.puppetlabs.com/jfryman/nginx)
-[![Build Status](https://travis-ci.org/jfryman/puppet-nginx.png)](https://travis-ci.org/jfryman/puppet-nginx)
+[![Build Status](https://travis-ci.org/jfryman/puppet-nginx.svg?branch=master)](https://travis-ci.org/jfryman/puppet-nginx)
 
 
 * James Fryman <[email protected]>