README.md in knife-joyent-0.1.3 vs README.md in knife-joyent-0.1.4

- old
+ new

@@ -64,14 +64,14 @@
 
 #### Optional
 
 **joyent_api_url**
 
-Specify a custom API endpoint, this is required if you want to specify 
+Specify a custom API endpoint, this is required if you want to specify
 where you want to provision your machines, or if you are using knife with a
 provider powered by [SmartDataCenter](http://www.joyent.com/products/smartdatacenter/).
-    
+
     # Defaults to https://us-west-1.api.joyentcloud.com/
     knife[:joyent_api_url] = "https://us-sw-1.api.joyentcloud.com/"
 
 **joyent_metadata**
 
@@ -80,9 +80,15 @@
 [Metadata API](http://wiki.joyent.com/wiki/display/sdc/Using+the+Metadata+API) for more info.
 
     knife[:joyent_metadata] = {
       "some_data" => "value"
     }
+
+**provisioner**
+
+Machines provisioned will be tagged with key ``provisioner`` containing the value specified.
+This is useful for tracking source of provisions for accounts where machines are provisioned
+by/from different sources / users.
 
 ## Contributors
 
  - [Sean Omera](https://github.com/someara) - Opscode
  - [Eric Saxby](https://github.com/sax) - ModCloth