From 14d83cecc4d74312c928aa7aa6879df662f82d1c Mon Sep 17 00:00:00 2001
From: Yvonne Yip <ykyyip@google.com>
Date: Tue, 9 Jun 2015 15:58:19 -0700
Subject: [PATCH] invalid needs notify: true for two-way binding

---
 iron-validatable-behavior.html | 1 +
 1 file changed, 1 insertion(+)

diff --git a/iron-validatable-behavior.html b/iron-validatable-behavior.html
index ef08723..c59c47e 100644
--- a/iron-validatable-behavior.html
+++ b/iron-validatable-behavior.html
@@ -47,6 +47,7 @@
        * True if the last call to `validate` is invalid.
        */
       invalid: {
+        notify: true,
         reflectToAttribute: true,
         type: Boolean,
         value: false