diff --git a/index.html b/index.html
index 5541dbe..0da1e4d 100644
--- a/index.html
+++ b/index.html
@@ -16,6 +16,7 @@
                 <a href="/">
                     <div class="nav-title">
                         <b>WinsCloud Apps</b>
+                        <b style="color: red;">PREVIEW</b>
                     </div>
                 </a>
             </div>