diff --git a/content/en/functions/css/PostCSS.md b/content/en/functions/css/PostCSS.md
index 750971c103..8d41435751 100644
--- a/content/en/functions/css/PostCSS.md
+++ b/content/en/functions/css/PostCSS.md
@@ -124,6 +124,6 @@ module.exports = {
 ```
 
 [node.js]: https://nodejs.org/en/download
-[postcss plugins]: https://www.postcss.parts/
+[postcss plugins]: https://postcss.org/docs/postcss-plugins
 [supported file name]: https://github.com/postcss/postcss-load-config#usage
 [transpile to CSS]: /functions/css/sass/