README.md in danger-slack-0.0.2 vs README.md in danger-slack-0.0.3

@@ -26,9 +26,14 @@
 Get members
 ```ruby
 slack.members
 ```
 
+Get groups
+```ruby
+slack.groups
+```
+
 Notify danger reports to slack
 ```ruby
 slack.notify(channel: '#your_channel')
 ```