diff --git a/web/index.html b/web/index.html
index 10afca3f..3f47af0d 100644
--- a/web/index.html
+++ b/web/index.html
@@ -286,7 +286,7 @@
         <li><a href="javascript:void(0)" onclick="Main.toggleFullscreen()">Fullscreen</a></li>
         <hr>
         <li><a class="mode-b" href="javascript:void(0)" onclick="Main.setMode('B')">Mode B</a></li>
-        <li><a class="mode-4c" href="javascript:void(0)" onclick="Main.setMode('4C')">Mode 4C</a></li>
+        <li><a class="mode-4c" href="javascript:void(0)" onclick="Main.setMode('4C')">4C <small>(old apps)</small></a></li>
         <li class="small"><a href="https://github.com/sz3/libcimbar">github</a></li>
         <li class="small"><a href="https://github.com/sz3/cfc/releases/latest">android app</a></li>
       </ul>
diff --git a/web/sw.js b/web/sw.js
index dad10abf..483260c2 100644
--- a/web/sw.js
+++ b/web/sw.js
@@ -1,5 +1,5 @@
 
-var _cacheName = 'cimbar-js-v0.5.14';
+var _cacheName = 'cimbar-js-v0.6.0';
 var _cacheFiles = [
   '/',
   '/index.html',