From 3bbde66c8b18be9ef18c6f1b7643a9a0bf7d169e Mon Sep 17 00:00:00 2001
From: Jade McGough <jade@influxdb.com>
Date: Mon, 8 May 2017 16:39:14 -0700
Subject: [PATCH] add comment

---
 ui/src/index.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ui/src/index.js b/ui/src/index.js
index 45f2aaf44..fe404c703 100644
--- a/ui/src/index.js
+++ b/ui/src/index.js
@@ -57,6 +57,7 @@ browserHistory.listen(() => {
 
 window.addEventListener('keyup', event => {
   const escapeKeyCode = 27
+  // fallback for browsers that don't support event.key
   if (event.key === 'Escape' || event.keyCode === escapeKeyCode) {
     dispatch(disablePresentationMode())
   }