README.md in rails-erd-1.4.7 vs README.md in rails-erd-1.5.0

@@ -4,11 +4,11 @@
 
 [Rails ERD](http://voormedia.github.io/rails-erd/) is a gem that allows you to easily generate a diagram based on your application's Active Record models. The diagram gives an overview of how your models are related. Having a diagram that describes your models is perfect documentation for your application.
 
 The second goal of Rails ERD is to provide you with a tool to inspect your application's domain model. If you don't like the default output, it is very easy to use the API to build your own diagrams.
 
-Rails ERD was created specifically for Rails and works on versions 3.0-4.2. It uses Active Record's built-in reflection capabilities to figure out how your models are associated.
+Rails ERD was created specifically for Rails and works on versions 3.0-5.0. It uses Active Record's built-in reflection capabilities to figure out how your models are associated.
 
 
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@@ -58,10 +58,12 @@
 sort: true
 warn: true
 title: sample title
 exclude: null
 only: null
+only_recursion_depth: null
 prepend_primary: false
+cluster: false
 ```
 
 
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