From 9788dd49cce4a93789bd42d1625c1c405cea7a01 Mon Sep 17 00:00:00 2001
From: Peli de Halleux <jhalleux@microsoft.com>
Date: Wed, 10 Aug 2016 14:06:26 -0700
Subject: [PATCH] fix testsnippet crash

---
 docs/lessons/headbands/quiz-answers.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/lessons/headbands/quiz-answers.md b/docs/lessons/headbands/quiz-answers.md
index 697cbec7..7d0ed86c 100644
--- a/docs/lessons/headbands/quiz-answers.md
+++ b/docs/lessons/headbands/quiz-answers.md
@@ -73,6 +73,7 @@ coll.push("cow")
 <br/>
 
 ```blocks
+let coll: string[] = []
 let index = Math.random(coll.length)
 let word = coll[index]
 ```