README.md in access-granted-1.3.1 vs README.md in access-granted-1.3.3

@@ -23,11 +23,11 @@
 config.autoload_paths += %W(#{config.root}/app/policies #{config.root}/app/roles)
 ```
 
 ### Supported Ruby versions
 
-Because it has **zero** runtime dependencies it is guaranteed to work on all major Ruby versions MRI 1.9.3-2.2, Rubinius >= 2.X and JRuby >= 1.7.
+Because it has **zero** runtime dependencies it is guaranteed to work on all major Ruby versions MRI `2.0` - `2.5`, Rubinius `>= 2.X` and JRuby `>= 1.7`.
 
 ## Summary
 
 AccessGranted is meant as a replacement for CanCan to solve major problems:
 
@@ -228,9 +228,24 @@
         "failed to access a post"
       else
         "failed to access something else"
       end
   end
+```
+
+You can also have a custom exception message while authorizing a request.
+This message will be associated with the exception object thrown.
+
+```ruby
+class PostsController
+  def show
+    @post = Post.find(params[:id])
+    authorize! :read, @post, 'You do not have access to this post'
+    render json: { post: @post }
+  rescue AccessGranted::AccessDenied => e
+    render json: { error: e.message }, status: :forbidden
+  end
+end
 ```
 
 #### Checking permissions in controllers
 
 To check if the user has a permission to perform an action, use the `can?` and `cannot?` methods.