README.md in nation_builder-0.0.6 vs README.md in nation_builder-0.0.13

@@ -10,9 +10,10 @@
 require 'nation_builder'
 client = NationBuilder.new(hostname: 'whatever.nationbuilder.com', client_id: 'id', client_secret: 'secret', username: '[e-mail]', password: 'pass')
 client.people.create('person' => {'first_name' => 'George', 'last_name' => 'Washington', 'email' => '[e-mail]'})
 client.people.match('email' => '[e-mail]) # either a person hash or nil. 
 client.people.list # returns people in nation
+client.tags.list # all tags.
 ```
 
 ### Contributing 
 
 The current gem is minimalist -- but we'd welcome pull requests with additional functionality!