README.md in authorizme-0.0.3 vs README.md in authorizme-0.0.4

@@ -42,9 +42,13 @@
 
 Also you can set roles. Just add some roles in Role model and then set it to user. In controller you can use `before_filter` method `require_user` or `require_{role}` where `role` is your required role name. 
 
 ### Advanced usage
 
+#### Synchronize
+
+You can sync your accounts. If user login with another provider on existing user session, then plugin will set synchronize request. You can call `has_synchronize_request?` and check if there's any new request. Then you can call 'synchronize(user)' to user model. 
+
 #### Custom provider callback view
 
 By default providers use callback view which require JQuery and require `eventBus` in `window` dom element:
 
 ```javascript
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