Added clarification to README

Signed-off-by: Nick Quaranto <nick@quaran.to>

README.rdoc

@@ -75,22 +75,24 @@ Makes TDD so much easier.
 === Controller Tests (Shoulda::Controller::Macros)
 
 Macros to test the most common controller patterns...
+  
+  class PostsControllerTest < ActionController::TestCase
+    context "on GET to :show for first record" do
+      setup do
+        get :show, :id => 1
+      end
 
-  context "on GET to :show for first record" do
-    setup do
-      get :show, :id => 1
-    end
+      should_assign_to :user
+      should_respond_with :success
+      should_render_template :show
+      should_not_set_the_flash
 
-    should_assign_to :user
-    should_respond_with :success
-    should_render_template :show
-    should_not_set_the_flash
-
-    should "do something else really cool" do
-      assert_equal 1, assigns(:user).id
+      should "do something else really cool" do
+        assert_equal 1, assigns(:user).id
+      end
     end
   end
-
+  
 === Helpful Assertions (Shoulda::Assertions)
 
 More to come here, but have fun with what's there.