From da302df443b247c6a049a6bf31676143636e0507 Mon Sep 17 00:00:00 2001
From: CyC2018 <1029579233@qq.com>
Date: Sat, 3 Mar 2018 15:52:03 +0800
Subject: [PATCH] auto commit

---
 notes/计算机操作系统.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/notes/计算机操作系统.md b/notes/计算机操作系统.md
index 0924ede9..a1189d84 100644
--- a/notes/计算机操作系统.md
+++ b/notes/计算机操作系统.md
@@ -270,7 +270,7 @@ down 和 up 操作需要被设计成原语，不可分割，通常的做法是
 
 ```c
 typedef int  semaphore ;
-samaphore mutex = 1;
+semaphore mutex = 1;
 void P1() {
     down(mutex);
     // 临界区