README.md in state_inspector-1.0.3 vs README.md in state_inspector-1.0.4

@@ -78,19 +78,24 @@
 require 'state_inspector/helper'
 include StateInspector::Helper
 
 # instead of doing MyClass.toggle_informant as above, do this.
 
+class MyClass
+  attr_writer :thing
+end
+
 m = MyClass.new
 observer = InternalObserver.new
 
 # observer parameter optional.  Assign beforehand if not provided here.
 toggle_snoop(m, observer) do
-  # put your own code here
+  m.thing = 4
 end
 
 # look at the results
 observer.values
+# => [[#<MyClass:0x00562f969dee48 @informant=false, @thing=4>, "@thing", nil, 4]]
 ```
 
 When writing tests for code and using StateInspector it's very important to ensure the informant is
 untoggled.  Otherwise you will have sporatic behavior in your tests.  You may use the helpers provided
 here for your tests to ensure you won't have glitchy tests as a result of using informants.