Fix typo. close #682

2017-01-20 12:47:50 +08:00
parent c678d198e4
commit e86602b95c
1 changed files with 1 additions and 1 deletions
--- 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 {