diff --git a/index.html b/index.html
index 9943fdf..b68aaf3 100644
--- a/index.html
+++ b/index.html
@@ -89,7 +89,6 @@ <h2 class="title is-2 has-text-centered">Abstract</h2>
   <ul>
     <li><b>Noisy</b>: xxx.</li>
     <li><b>Clean</b>: xxx.</li>
-    <li><b></b>: xxx.</li>
     <li>
       <b>
         <font color=#0000FF>VC-S\(^{2}\)E</font>