README.md in docbase-2.0.0 vs README.md in docbase-2.0.1

@@ -183,9 +183,16 @@
 ```ruby
 client.upload('./test.jpg')
 client.upload(['./test.jpg', './README.md'])
 ```
 
+#### Download
+
+```ruby
+response = client.attachment(file_id)
+File.open(file_id, 'wb') { |f| f.write(response.body) }
+```
+
 ### switch team
 
 ```ruby
 client = DocBase::Client.new(access_token: 'your_access_token', team: 'kray')
 client.tags.body