diff --git a/levels-of-measurement/index.xhtml b/levels-of-measurement/index.xhtml
index 6b780fe..865b874 100644
--- a/levels-of-measurement/index.xhtml
+++ b/levels-of-measurement/index.xhtml
@@ -11,7 +11,7 @@
 <article>
 	<hgroup>
 		<h1>Levels of Measurement</h1>
-		<h1>(<a href="../">Artificial Intelligence</a>)</h1>
+		<p><small>(<a href="../">Artificial Intelligence</a>)</small></p>
 	</hgroup>
 	<section>
 		<address class="h-card">