fix typo

open-mmlab · Apr 13, 2021 · a68089b · a68089b
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diff --git a/tools/data/ava/README.md b/tools/data/ava/README.md
@@ -64,8 +64,6 @@ bash cut_videos.sh
 
 ## Step 4. Extract RGB and Flow
 
-This part is **optional** if you only want to use the video loader.
-
 Before extracting, please refer to [install.md](/docs/install.md) for installing [denseflow](https://github.com/open-mmlab/denseflow).
 
 If you have plenty of SSD space, then we recommend extracting frames there for better I/O performance. And you can run the following script to soft link the extracted frames.

diff --git a/tools/data/ava/README_zh-CN.md b/tools/data/ava/README_zh-CN.md
@@ -56,8 +56,6 @@ bash cut_videos.sh
 
 ## 4. 提取 RGB 帧和光流
 
-如果用户仅使用 video loader，则可以跳过本步。
-
 在提取之前，请参考 [安装教程](/docs_zh_CN/install.md) 安装 [denseflow](https://github.com/open-mmlab/denseflow)。
 
 如果用户有足够的 SSD 空间，那么建议将视频抽取为 RGB 帧以提升 I/O 性能。用户可以使用以下脚本为抽取得到的帧文件夹建立软连接：