yarn add -D is more suitable

7 years ago · 235ef47659
2 changed files with 2 additions and 2 deletions
--- a/README.md
+++ b/README.md
@ -76,7 +76,7 @@ $ npm install postcss-px-to-viewport --save-dev
 ```
 or yarn
 ```
-$ yarn add postcss-px-to-viewport
+$ yarn add -D postcss-px-to-viewport
 ```

 ### Usage
--- a/README_CN.md
+++ b/README_CN.md
@ -76,7 +76,7 @@ $ npm install postcss-px-to-viewport --save-dev
 ```
 或者使用yarn进行安装
 ```
-$ yarn add postcss-px-to-viewport
+$ yarn add -D postcss-px-to-viewport
 ```

 ### 配置参数