README in rr-0.3.3 vs README in rr-0.3.4

@@ -57,9 +57,14 @@
   stub.probe(view).render(:partial => "user_info") do |html|
     html.should include("Joe Smith")
     html
   end
 
+== Instance of Doubles
+Put double scenarios on instances of a Class.
+
+  mock.instance_of(User).valid? {false}
+
 == Block Syntax
   script = MyScript.new
   mock(script) do |m|
     m.system("cd #{RAILS_ENV}") {true}
     m.system("rake foo:bar") {true}