docs: readme edits

Author: RichardLitt

readme.md

@@ -1,5 +1,6 @@
 # doi-regex 
-[![Build Status](https://travis-ci.org/regexps/doi-regex.svg?branch=master)](https://travis-ci.org/regexps/doi-regex) [![Test Coverage](https://codeclimate.com/github/regexps/doi-regex/badges/coverage.svg)](https://codeclimate.com/github/regexps/doi-regex)
+
+[![Build Status](https://travis-ci.org/regexhq/doi-regex.svg?branch=master)](https://travis-ci.org/regexhq/doi-regex)
 
 > Regular expression for matching DOIs
 
@@ -86,6 +87,10 @@ Possible Flags:
 * `-g`, `--groups` Find the stripped DOI and any suffix it might have
 * `-h`, `--help` Display usage
 
+## Contribute
+
+Please do!
+
 ## License
 
 MIT © [Richard Littauer](http://burntfen.com)