From 3290b3460cd4901c4fbd7456a35f120354353326 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=AE=89=E6=AD=A3=E8=B6=85?= <anzhengchao@gmail.com>
Date: Thu, 16 Mar 2017 16:19:06 +0800
Subject: [PATCH] Fix #688

---
 source/chapter1/02_a_swift_tour.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/source/chapter1/02_a_swift_tour.md b/source/chapter1/02_a_swift_tour.md
index b18a9e65..2ced756e 100755
--- a/source/chapter1/02_a_swift_tour.md
+++ b/source/chapter1/02_a_swift_tour.md
@@ -712,9 +712,9 @@ print(protocolValue.simpleDescription)
 
 ```swift
 enum PrinterError: Error {
-	case OutOfPaper
-	case NoToner
-	case OnFire
+	case outOfPaper
+	case noToner
+	case onFire
 }
 ```