From f9efd8a272c50e65e3f983ed3f70c1ee2b748753 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Sat, 7 Feb 2015 23:50:56 +1100
Subject: [PATCH] fix error message in File::addHelper

---
 lib/6to5/transformation/file.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/6to5/transformation/file.js b/lib/6to5/transformation/file.js
index 03265bea7b..57cdf6ea49 100644
--- a/lib/6to5/transformation/file.js
+++ b/lib/6to5/transformation/file.js
@@ -297,7 +297,7 @@ File.prototype.isConsequenceExpressionStatement = function (node) {
 
 File.prototype.addHelper = function (name) {
   if (!contains(File.helpers, name)) {
-    throw new ReferenceError("unknown declaration " + name);
+    throw new ReferenceError("unknown helper " + name);
   }
 
   var program = this.ast.program;