README.md in sensu-plugins-datadog-0.0.1.alpha.1 vs README.md in sensu-plugins-datadog-0.0.1.alpha.2

@@ -1,8 +1,11 @@
 ## Sensu-Plugins-Datadog
 
 [![Build Status](https://travis-ci.org/sensu-plugins/sensu-plugins-datadog.svg?branch=master)](https://travis-ci.org/sensu-plugins/sensu-plugins-datadog)
+[![Gem Version](https://badge.fury.io/rb/sensu-plugins-datadog.svg)](http://badge.fury.io/rb/sensu-plugins-datadog)
+[![Code Climate](https://codeclimate.com/github/sensu-plugins/sensu-plugins-datadog/badges/gpa.svg)](https://codeclimate.com/github/sensu-plugins/sensu-plugins-datadog)
+[![Test Coverage](https://codeclimate.com/github/sensu-plugins/sensu-plugins-datadog/badges/coverage.svg)](https://codeclimate.com/github/sensu-plugins/sensu-plugins-datadog)
 
 ## Functionality
 ```json
 {
   "datadog": {
@@ -11,12 +14,26 @@
     "tags": []
   }
 }
 ```
 ## Files
- * bin/datadog-metrics
 
+#### bin/datadog-metrics.rb
+Send metrics to datadog
+ 
+#### bin/datadog-notification.rb
+Send event data to datadog
+
 ## Installation
+
+Add the public key (if you haven’t already) as a trusted certificate
+
+```
+gem cert --add <(curl -Ls https://raw.githubusercontent.com/sensu-plugins/sensu-plugins.github.io/master/certs/sensu-plugins.pem)
+gem install <gem> -P MediumSecurity
+```
+
+You can also download the key from /certs/ within each repository.
 
 `gem install sensu-plugins-datadog`
 
 Add *sensu-plugins-datadog* to your Gemfile, manifest, cookbook, etc