diff --git a/index.html b/index.html
index 8d99e92..0f7c678 100644
--- a/index.html
+++ b/index.html
@@ -38,6 +38,7 @@
     <a href="#perceptual-similarity"><div class="contents-list">Compare similarity of videos</div></a>
     <a href="#other"><div class="contents-list">Something else</div></a>
     <a href="#similar-tools"><div class="contents-list">Similar tools: tips &amp; tricks</div></a>
+    <a href="#cdda"><div class="contents-list">CDDA (Audio CD) Ripping Tools<div></a>
     <a href="#imagemagick"><div class="contents-list">ImageMagick</div></a>
     <a href="#flac-tool"><div class="contents-list">flac tool</div></a>
   </nav>