diff --git a/index.html b/index.html
index 547705b..9924e97 100644
--- a/index.html
+++ b/index.html
@@ -27,7 +27,8 @@
 			<ul>
 				<li><ziba-link>back-propagation</ziba-link></li>
 				<li><ziba-link>bandit</ziba-link></li>
-				<li><ziba-link>big-data</ziba-link></li>
+				<li><ziba-link>big data</ziba-link></li>
+				<li><ziba-link>business intelligence</ziba-link></li>
 			</ul>
 		</section>
 		<section id="C">