diff --git a/index.html b/index.html
index 7ccbc4b..ef01dd8 100644
--- a/index.html
+++ b/index.html
@@ -136,6 +136,7 @@
 			<h2>O</h2>
 			<ul>
 				<li><ziba-link>online advertising</ziba-link></li>
+				<li><ziba-link>optical character recognition</ziba-link></li>
 			</ul>
 		</section>
 		<section id="P">