diff --git a/README.md b/README.md
index dd5d839..d1ef5eb 100644
--- a/README.md
+++ b/README.md
@@ -316,7 +316,7 @@ module.exports = {
 - Type: `Object|Array<Object>`
 - Default: `{ preset: 'default' }`
 
-Cssnano optimisations [options](https://cssnano.co/docs/what-are-optimisations/).
+Cssnano optimisations [options](https://cssnano.github.io/cssnano/docs/what-are-optimisations/#what-are-optimisations).
 
 #### `Object`