diff --git a/docs/setup/setting-up-the-header.md b/docs/setup/setting-up-the-header.md
index 9084b5a4c..5d9dff835 100644
--- a/docs/setup/setting-up-the-header.md
+++ b/docs/setup/setting-up-the-header.md
@@ -31,11 +31,7 @@ theme:
     - header.autohide
 ```
 
-_Give this feature a try on [the official documentation][4] built with Material
-for MkDocs Insiders!_
-
   [3]: ../insiders.md
-  [4]: https://squidfunk.github.io/mkdocs-material-insiders/
 
 ## Customization
 
@@ -44,8 +40,8 @@ for MkDocs Insiders!_
 Material for MkDocs includes an announcement bar, which is the perfect place to
 display project news or other important information to the user. When the user
 scrolls past the header, the bar will automatically disappear. In order to add
-an announcement bar, [extend the theme][5] and [override the `announce`
-block][6], which is empty by default:
+an announcement bar, [extend the theme][4] and [override the `announce`
+block][5], which is empty by default:
 
 ``` html
 {% block announce %}
@@ -53,5 +49,5 @@ block][6], which is empty by default:
 {% endblock %}
 ```
 
-  [5]: ../customization.md#extending-the-theme
-  [6]: ../customization.md#overriding-blocks
+  [4]: ../customization.md#extending-the-theme
+  [5]: ../customization.md#overriding-blocks