diff --git a/src/index.html b/src/index.html
index 56d73e6..77ad35f 100644
--- a/src/index.html
+++ b/src/index.html
@@ -48,7 +48,7 @@
                 width: auto!important;
                 display: inline-block;
             }
-            .languages a {
+            .languages * {
                 padding-left: 10px;
             }
         </style>
@@ -94,6 +94,7 @@
                             <div class="col-sm-10 languages">
                                 <a href="#english">English</a>
                                 <a href="#japanese" title="Japanese">日本語</a>
+                                <span title="Pending availability of BIP39 unit tests">Experimental:</span>
                                 <a href="#spanish"  title="Spanish">Español</a>
                                 <a href="#chinese_simplified"  title="Chinese (Simplified)">中文(简体)</a>
                                 <a href="#chinese_traditional"  title="Chinese (Traditional)">中文(繁體)</a>