diff --git a/2-ui/1-document/01-browser-environment/article.md b/2-ui/1-document/01-browser-environment/article.md
index e8da4c9b..56b56883 100644
--- a/2-ui/1-document/01-browser-environment/article.md
+++ b/2-ui/1-document/01-browser-environment/article.md
@@ -49,7 +49,7 @@ document.body.style.background = "red";
 setTimeout(() => document.body.style.background = "", 1000);
 ```
 
-Here we used `document.body.style`, but there's much, much more. Properties and methods are described in the specification: **DOM Living Standard** at <https://dom.spec.whatwg.org>.
+Here we used `document.body.style`, but there's much, much more. Properties and methods are described in the specification: [DOM Living Standard](https://dom.spec.whatwg.org).
 
 ```smart header="DOM is not only for browsers"
 The DOM specification explains the structure of a document and provides objects to manipulate it. There are non-browser instruments that use DOM too.