From c2937bf21b6c6f08badf0229bf698f94c7f3a8dc Mon Sep 17 00:00:00 2001
From: Wang Hao <eric.3126@hotmail.com>
Date: Thu, 12 Jun 2014 14:18:45 +0800
Subject: [PATCH] Fixed #124

---
 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 77665dab..c8c4997d 100644
--- a/source/chapter2/21_Protocols.md
+++ b/source/chapter2/21_Protocols.md
@@ -84,7 +84,7 @@
 	class Starship: FullyNamed {
 		var prefix: String?
 		var name: String
-		init(name: String, prefix: Stirng? = nil ) {
+		init(name: String, prefix: String? = nil ) {
 			self.anme = name
 			self.prefix = prefix
 		}