[FIX] Clean up confusing language for icons docs

src/content/docs/features.mdx

@@ -217,7 +217,7 @@ title: "[rocket] Above and beyond"
 :::
 
 :::note
-  This will add the icon in the sidebar and on the site's title. To avoid putting it next to the title of the site itself, speficy the icon as such:
+  This will add the icon in the sidebar and on the site's header. To avoid putting it next to the header of the site itself, speficy the icon as such:
   ```md title="example.md" "[rocket]"
   ---
   title: "Above and beyond"
@@ -227,7 +227,7 @@ title: "[rocket] Above and beyond"
   # ...
   ---
   ```
-  This will only add the icon to the sidebar, not the title.
+  This will only add the icon to the sidebar, not the header.
 :::
 
 import HeaderBadge from '@/components/HeaderBadge.astro';