Update (August 11th, 2019)

Change-Id: I13e10af46e84df71e32e24a773a80699ac740a51
diff --git a/404.html b/404.html
index 12d15dc..9c40270 100644
--- a/404.html
+++ b/404.html
@@ -166,8 +166,8 @@
 
 
   <li class="md-nav__item">
-    <a href="/." title="Welcome to the wiki!" class="md-nav__link">
-      Welcome to the wiki!
+    <a href="/." title="Index" class="md-nav__link">
+      Index
     </a>
   </li>