diff --git a/README.en.md b/README.en.md
index 348e8d8714e29ab540a6ca0e4e397e727311ecc3..5cce7ec2e7f5bfe6913fade6f8166b5e85639ab6 100644
--- a/README.en.md
+++ b/README.en.md
@@ -42,7 +42,7 @@ This sample demonstrates video playback and recording implemented on AVCodec.
 
 #### Playback
 
-1. Place the recorded video file in **gallery**, or click **Start** to record another video file (without audio).
+1. Place the recorded video file in **gallery**, or click **Start** to record another video file.
 
 2. Touch **Play** and select a file to play.
 
diff --git a/README.md b/README.md
index d9a38da034c46413b1279d0b12b3dd3199064741..b8c32eb4ac78d4526adfb256d51df6c0abbedde9 100644
--- a/README.md
+++ b/README.md
@@ -30,17 +30,17 @@
 
 #### 录制
 
-1. 点击“录制”
+1. 点击“录制”。
 
-2. 确认允许录制文件保存到图库
+2. 确认允许录制文件保存到图库。
 
-3. 录制完成后点击“停止录制”
+3. 录制完成后点击“停止录制”。
 
 #### 播放
 
-1. 推送视频文件至图库下或点击下方“开始录制”，录制一个视频文件（无音频）
+1. 推送视频文件至图库下或点击下方“开始录制”，录制一个视频文件。
 
-2. 点击播放按钮，选择文件，开始播放
+2. 点击播放按钮，选择文件，开始播放。
 
 ### 工程目录
 
@@ -50,7 +50,7 @@
 │  │  ├──include                      // 能力接口
 │  │  ├──AudioCapturer.cpp            // 音频采集实现
 │  │  ├──AudioDecoder.cpp             // 音频解码实现
-│  │  ├──AudioEncoder.cpp             // 音频解码实现
+│  │  ├──AudioEncoder.cpp             // 音频编码实现
 │  │  ├──Demuxer.cpp                  // 解封装实现
 │  │  ├──Muxer.cpp                    // 封装实现
 │  │  ├──VideoDecoder.cpp             // 视频解码实现
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