README.md in the_garage-2.6.1 vs README.md in the_garage-2.7.0

@@ -151,10 +151,10 @@
 - `Garage.configuration.auth_server_timeout` - A read timeout second. Default
     is 1 second.
 
 The OAuth server must response a json with following structure.
 
-- `token`(string) - OAuth access token value.
+- `token` (string, null) - OAuth access token value.
 - `token_type` (string) - OAuth access token value. i.e. `bearer` type.
 - `scope` (string) - OAuth scopes separated by spaces. i.e. `public read_user`.
 - `application_id` (integer) - OAuth application id of the access token.
 - `resource_owner_id` (integer, null) - Resource owner id of the access token.
 - `expired_at` (string, null) - Expire datetime with string representation.