diff --git a/test.html b/test.html
index 31a0467..77a5fa8 100644
--- a/test.html
+++ b/test.html
@@ -38,7 +38,7 @@
       <button class="js-verify">Verify</button>
     </div>
 
-    <!-- these two are only needed for webcrypto shim -->
+    <!-- extremely lightweight shim for hex conversion -->
     <script src="bower_components/unibabel/index.js"></script>
     <script src="bower_components/unibabel/unibabel.hex.js"></script>