diff --git a/test/unit/bind.html b/test/unit/bind.html
index 56eed767a9..e2b23169c6 100644
--- a/test/unit/bind.html
+++ b/test/unit/bind.html
@@ -19,6 +19,9 @@
 
 <script>
 
+// TODO(kschaaf): make sure to tests all dynamic property effects; for example
+// runtime attribute changes.
+
 suite('single-element binding effects', function() {
 
   var el;