diff --git a/Gitea/readme.md b/Gitea/readme.md
index d63472c..a32575c 100644
--- a/Gitea/readme.md
+++ b/Gitea/readme.md
@@ -21,7 +21,9 @@ To install the theme for all Gitea users:
 
 
 ### Usage with Stylus
-If you use the Stylus browser extension, you can use the [`theme-gitea-modern.user.css`][usertheme-file] file to apply to any Gitea instance.
+If you use the [Stylus browser extension](https://add0n.com/stylus.html), you can use the [`theme-gitea-modern.user.css`][usertheme-file] file to apply to any Gitea instance.
+
+Note: The [Stylus browser extension](https://add0n.com/stylus.html) and [Stylus preprocessor](https://stylus-lang.com/) are two different things.
 
 ### Contributing
 To make changes, always base them on [`theme-gitea-modern.styl`](theme-gitea-modern.styl), which requires the [Stylus preprocessor](https://stylus-lang.com/).