Updates chapter4/README.md

Auto commit by GitBook Editor
durranee · Jan 16, 2018 · c6397dd · c6397dd
1 parent a32ef62
commit c6397dd
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/chapter4/README.md b/chapter4/README.md
@@ -711,5 +711,7 @@ Let's agree now that the program returning `false` means 'I lose', and `true` me
 * _**Upgrade the dice game: now both I and my opponent roll two six-sided dice each.**_
 * _**Upgrade the game once more: now we play several rounds for each game.  The first player to win two rounds wins the game. \(Still with two dice each.\)**_
 
+## Complete the mastery quiz for chapter 4
 
+Use your mastery quizzes repository to complete the quiz for chapter 4.