update notes

subjects/Redux/exercise.js

@@ -12,11 +12,11 @@ is to:
 
 1. add a reducer, in this exercise the reducer is already there (reducers/contacts)
    so this part is already done.
-2. Add propTypes to your component for the state and then "select" it in `connect`
-2. add a new action, it doesn't have to do much yet, just exist
-3. add the UI and dispatch the action
-4. finish up the action's logic if needed
-5. handle the action in the reducer by returning new state, remember don't mutate
+2. Add propTypes to your component for the state and then "mapStateToProps" it in `connect`
+3. add a new action, it doesn't have to do much yet, just exist
+4. add the UI and dispatch the action
+5. finish up the action's logic
+6. handle the action in the reducer by returning new state, remember don't mutate
    the reducer state, return new objects/arrays.
 
 Doing it in this order ensures your app will continue to run when you save code.