From a14f3e43bd762f01b56052c0a2837c19ca650258 Mon Sep 17 00:00:00 2001
From: stanzhai <jasondan325@163.com>
Date: Sat, 14 Jun 2014 22:38:08 +0800
Subject: [PATCH] correct 2.21 code mistakes

---
 source/chapter2/21_Protocols.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/chapter2/21_Protocols.md b/source/chapter2/21_Protocols.md
index 06f06a04..9dd8c859 100755
--- a/source/chapter2/21_Protocols.md
+++ b/source/chapter2/21_Protocols.md
@@ -350,7 +350,7 @@ game.play()
 // Rolled a 5
 // Rolled a 4
 // Rolled a 5
-// The game lasted for 4 turns”
+// The game lasted for 4 turns
 ```
 
 <a name="adding_protocol_conformance_with_an_extension"></a>