diff --git a/index.html b/index.html
index 8f3a99b..1cdefc2 100644
--- a/index.html
+++ b/index.html
@@ -160,6 +160,10 @@ <h2>Comparison</h2>
         </table>
       </section>
 
+      <div id="comparison">
+        <a href="https://github.com/cl21/cl21/wiki/Language-Difference-between-CL21-and-Common-Lisp">Read more.</a>
+      </div>
+
       <section id="motivation">
         <h2>Motivation</h2>
         <blockquote>