Update README.markdown

Author: scott-xu

README.markdown

@@ -1,9 +1,9 @@
 This extension provides integration between Ninject and Moq, creating a "lightweight" auto-mocking container.
 In your tests, you should use the MockingKernel instead of the StandardKernel. It adds the following features to Ninject:
 
-1. The following syntax will bind a service to the mocked object of a Mock<T>:
+1. The following syntax will bind a service to the mocked object of a Mock<T> and add additional interfaces to the mock:
 
-    `Bind<IService>().ToMock();`
+    `Bind<IService>().ToMock(typeof(IInterface1), typeof(IInterface2));`
 
 2. If you request a service that has no binding, instead of creating an implicit self-binding, the MockingKernel
    will create an instance of Mock<T> and return the mocked object associated with it.