README.md in metasploit-concern-0.2.1 vs README.md in metasploit-concern-0.3.0.pre.engine.pre.requires

@@ -13,13 +13,19 @@
     gem 'metasploit-concern'
 
 And then execute:
 
     $ bundle
+    
+**This gem's `Rails::Engine` is not required automatically.** You'll need to also add the following to your `config/application.rb`:
 
+    require 'metasploit/concern/engine'
+
 Or install it yourself as:
 
     $ gem install metasploit-concern
+    
+
 
 ## Supporting concerns
 
 `Metasploit::Concern` support is a cooperative effort that involves the classes from the gem being setup to allow downstream dependents to inject concerns.