diff --git a/README.md b/README.md
index 18658d4..29fd114 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ because the original VITS has some dependencies that are difficult to configure.
 
 ### How long does it take? 
 1. Install dependencies (2 min)
-2. Record at least 20 your own voice (5~10 min)
+2. Record at least 20 your own voice, the content to read will be presented in UI, less than 20 words per sentence. (5~10 min)
 3. Upload your character voices, which should be a `.zip` file,
 it's file structure should be like:
 ```
diff --git a/README_EN.md b/README_EN.md
index 18658d4..29fd114 100644
--- a/README_EN.md
+++ b/README_EN.md
@@ -26,7 +26,7 @@ because the original VITS has some dependencies that are difficult to configure.
 
 ### How long does it take? 
 1. Install dependencies (2 min)
-2. Record at least 20 your own voice (5~10 min)
+2. Record at least 20 your own voice, the content to read will be presented in UI, less than 20 words per sentence. (5~10 min)
 3. Upload your character voices, which should be a `.zip` file,
 it's file structure should be like:
 ```
diff --git a/README_ZH.md b/README_ZH.md
index 38402e7..f688977 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -24,7 +24,7 @@ English Documentation Please Click [here](https://github.com/SongtingLiu/VITS_vo
 进行微调任务，因为VITS在多语言情况下的某些环境依赖相当难以配置。
 ### 在Google Colab里，我需要花多长时间？
 1. 安装依赖 (2 min)
-2. 录入你自己的声音，至少20条3~4秒的短句 (5~10 min)
+2. 录入你自己的声音，阅读内容会在UI中提供，每句不超过20个字。 (5~10 min)
 3. 上传你希望加入的其它角色声音，用一个`.zip`文件打包
 文件结构应该如下所示:
 ```