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 </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 <em>intelligence</em> of <em>software</em> or a <em>machine</em>.
 	</p>
 	<p>
 		<strong>Artificial Intelligence</strong> is usually considered a sub-topic of <strong>computing</strong>.