diff --git a/index.xhtml b/index.xhtml
index ab203a4..1c6f069 100644
--- a/index.xhtml
+++ b/index.xhtml
@@ -15,7 +15,10 @@
 </section>
 <section>
 	<p>
-		<strong>Artificial Intelligence</strong> (<abbr title="artificial intelligence">AI</abbr> is <a href="intelligence/">intelligence</a> of <a href="software/">software</a> or a <a href="machine/">machine</a>.
+		<strong>Artificial Intelligence</strong> (<abbr title="artificial intelligence">AI</abbr>) is <a href="intelligence/">intelligence</a> of <a href="software/">software</a> or a <a href="machine/">machine</a>.
+	</p>
+	<p>
+		<strong>Artificial Intelligence</strong> is usually considered a sub-topic of <strong>computing</strong>.
 	</p>
 </section>
 <section>