README.md in dce_lti-0.3.0 vs README.md in dce_lti-0.4.0

@@ -126,10 +126,11 @@
 ### After a successful launch
 
 By default, a successful launch will redirect to your application's
 `root_path`. This is configured via `redirect_after_successful_auth` which is
 evaluated in engine controller context. This method should have access to
-`current_user`, rails route helpers and other controller-specific context.
+`current_user`, rails route helpers and other controller-specific context
+through the controller instance passed to it.
 
 ### Invalid LTI Sessions
 
 If an LTI session cannot be validated, `dce_lti/sessions/invalid` will be
 rendered. You can customize this output by creating a file named