From af4653c2a608b2a236581ed3bcfcbcbf6ce93091 Mon Sep 17 00:00:00 2001
From: aiminick <83101338@qq.com>
Date: Fri, 31 May 2019 22:01:45 +0800
Subject: [PATCH] Update ds3231-rtc.md

---
 docs/ds3231-rtc.md | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/docs/ds3231-rtc.md b/docs/ds3231-rtc.md
index 919cdd8..243bbb1 100644
--- a/docs/ds3231-rtc.md
+++ b/docs/ds3231-rtc.md
@@ -76,7 +76,7 @@ dtoverlay=i2c-rtc,ds3231
 
 ## 5. Edit file: /boot/rc-local 
 
-Before "exit 0", add content bellow:
+Before " **exit 0** ", add content bellow:
 
 ```
 
@@ -86,7 +86,9 @@ hwclock -r
 # write rtc-time to system
 hwclock -s
 
-exit 0
 ```
 
+**exit 0**
+
+