README.md in dce_lti-0.5.4 vs README.md in dce_lti-0.6.0

@@ -11,11 +11,11 @@
 ## Getting started
 
 Add these gems to your gemfile:
 
     gem 'dce_lti'
-    gem 'activerecord-session_store', '~> 0.1.1''
+    gem 'activerecord-session_store', '~> 1.0.0''
 
 Update (or create) `config/initializers/session_store.rb` and ensure it contains:
 
     Rails.application.config.session_store :active_record_store, key: '_your_app_session', expire_after: 60.minutes
 
@@ -151,13 +151,14 @@
 `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
+If an LTI session cannot be validated, by default `dce_lti/sessions/invalid` will be
 rendered. You can customize this output by creating a file named
 `app/views/dce_lti/sessions/invalid.html.erb`, per the default engine view
-resolution behavior.
+resolution behavior. It is also possible to configure your own redirect url via 
+'redirect_after_session_expire' setting in dce_lti_config.
 
 ### Cookieless Sessions - Experimental
 
 If you're running your LTI app on a domain different than your LMS, it will not
 work in recent Safari browers.  This is because [Safari blocks third party