From 06f2400f21863e347550d15398887a3db081ca72 Mon Sep 17 00:00:00 2001
From: nhducit <nhducit@users.noreply.github.com>
Date: Wed, 27 Jul 2016 16:33:24 +0700
Subject: [PATCH] Clarify error massage when fn is not a function (#122)

---
 src/core.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core.js b/src/core.js
index 5eb1d4a..476ba99 100644
--- a/src/core.js
+++ b/src/core.js
@@ -56,7 +56,7 @@ function Promise(fn) {
     throw new TypeError('Promises must be constructed via new');
   }
   if (typeof fn !== 'function') {
-    throw new TypeError('not a function');
+    throw new TypeError('Promise contructor\'s argument not a function');
   }
   this._deferredState = 0;
   this._state = 0;