diff --git a/index.html b/index.html
index 92299ed..0993d31 100644
--- a/index.html
+++ b/index.html
@@ -157,6 +157,8 @@
 			<h2>Q</h2>
 			<ul>
 				<li><ziba-link>q-learning</ziba-link></li>
+				<li><ziba-link>qualitative data</ziba-link></li>
+				<li><ziba-link>quantitative data</ziba-link></li>
 			</ul>
 		</section>
 		<section id="R">