!5848 【轻量级 PR】：update zh-cn/application-dev/media/video-playback.md.

Merge pull request !5848 from zengyawen/N/A

!5848 【轻量级 PR】：update zh-cn/application-dev/media/video-playback.md.
Merge pull request !5848 from zengyawen/N/A
71c89546 · openharmony_ci · Gitee · 0a9ce317 · bac1fd67 · 71c89546
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zh-cn/application-dev/media/video-playback.md zh-cn/application-dev/media/video-playback.md +1 -1

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--- a/zh-cn/application-dev/media/video-playback.md
+++ b/zh-cn/application-dev/media/video-playback.md
@@ -116,7 +116,7 @@ export class VideoPlayerDemo {
      console.info('pause success');
    }, this.failureCallback).catch(this.catchCallback);

-    // 通过promise回调方式获取视频轨道信息ommunication_dsoftbus
+    // 通过promise回调方式获取视频轨道信息communication_dsoftbus
    let arrayDescription;
    await videoPlayer.getTrackDescription().then((arrlist) => {
      if (typeof (arrlist) != 'undefined') {