README.md in lti_provider_engine-0.0.4 vs README.md in lti_provider_engine-0.0.5

@@ -5,23 +5,23 @@
 
 ## Installation
 
 Add the gem to your `Gemfile` with the following line, and then `bundle install`
 
-```
+```ruby
 gem 'lti_provider_engine', :require => 'lti_provider'
 ```
 
 Then, mount the engine to your app by adding this line to your `routes.rb` file
 
-```
+```ruby
 mount LtiProvider::Engine => "/"
 ```
 
 Next, include the engine in your `ApplicationController`
 
-```
+```ruby
 class ApplicationController < ActionController::Base
   include LtiProvider::LtiApplication
   
   ...
 end
@@ -30,11 +30,11 @@
 After that, create `lti.yml` and `lti_xml.yml` files in your `config/` folder that looks something
 like this:
 
 **lti.yml**
 
-```
+```yml
 default: &default
   key: your_key
   secret: your_secret
   require_canvas: true
 
@@ -51,11 +51,11 @@
 You'll need the values of `key` and `secret` when you configure your lti app on
 the tool consumer side.
 
 **lti_xml.yml**
 
-```
+```yml
 default: &default
   tool_title: 'Dummy App'
   tool_description: 'A very handy dummy application for testing LtiProvider engine integration.'
   tool_id: 'dummy'
   privacy_level: 'public'
@@ -78,11 +78,11 @@
 
 These values are used in the `/configure.xml` endpoint.
 
 Finally, run migrations:
 
-```
+```bash
 bundle install
 bundle exec rake railties:install:migrations
 bundle exec rake db:migrate
 ```
 
@@ -114,9 +114,10 @@
   * `current_course_id`
   * `tool_consumer_instance_guid`
   * `current_account_id`
   * `course_launch?`
   * `account_launch?`
+  * `user_roles`
 
 ## Configuring the Tool Consumer
 
 You will need `key` and `secret` from your `lti.yml` file, and you can find
 configuration xml (or at least a starting point) at