From 6d71bba4edc8ac999322df754901e046e3fe7022 Mon Sep 17 00:00:00 2001
From: ruanyf <yifeng.ruan@gmail.com>
Date: Tue, 6 Oct 2015 19:10:02 +0800
Subject: [PATCH] edit Promise typo

---
 docs/promise.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/promise.md b/docs/promise.md
index 828d15b..4742654 100644
--- a/docs/promise.md
+++ b/docs/promise.md
@@ -487,7 +487,7 @@ p.then(null, function (s){
 我们可以将图片的加载写成一个`Promise`，一旦加载完成，`Promise`的状态就发生变化。
 
 ```javascript
-conset preloadImage = function (path) {
+const preloadImage = function (path) {
   return new Promise(function (resolve, reject) {
     var image = new Image();
     image.onload  = resolve;