From e86602b95cc75d6eb28417ca5364e2ce375b9ed2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=AE=89=E6=AD=A3=E8=B6=85?= <anzhengchao@gmail.com>
Date: Fri, 20 Jan 2017 12:47:50 +0800
Subject: [PATCH] Fix typo. close #682

---
 source/chapter2/10_Properties.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/chapter2/10_Properties.md b/source/chapter2/10_Properties.md
index 81b889ae..fe71798e 100755
--- a/source/chapter2/10_Properties.md
+++ b/source/chapter2/10_Properties.md
@@ -386,7 +386,7 @@ struct AudioChannel {
     var currentLevel: Int = 0 {
         didSet {
             if currentLevel > AudioChannel.thresholdLevel {
-                // 将当前音量限制在阀值之内
+                // 将当前音量限制在阈值之内
                 currentLevel = AudioChannel.thresholdLevel
             }
             if currentLevel > AudioChannel.maxInputLevelForAllChannels {