From e5c0bf149abb4e237578ced948db4d4baa9a12ed Mon Sep 17 00:00:00 2001
From: geek5nan <geek5nan@gmail.com>
Date: Wed, 18 Jun 2014 00:50:11 +0800
Subject: [PATCH] update Protocols

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

diff --git a/source/chapter2/21_Protocols.md b/source/chapter2/21_Protocols.md
index 1aff6496..8260cddb 100755
--- a/source/chapter2/21_Protocols.md
+++ b/source/chapter2/21_Protocols.md
@@ -66,7 +66,6 @@ protocol SomeProtocol {
 	var doesNotNeedToBeSettable: Int { get }
 }
 ```
-
 如下所示，通常在协议的定义中使用`class`前缀表示该属性为类成员；在枚举和结构体实现协议时中，需要使用`static`关键字作为前缀。
 
 ```swift