diff --git a/Synology-NAS-Guide.md b/Synology-NAS-Guide.md
index e1d0182..2d6d5a7 100644
--- a/Synology-NAS-Guide.md
+++ b/Synology-NAS-Guide.md
@@ -54,12 +54,12 @@ To auto renew the certificates in the future, you need to configure the cronjob.
 
 Configure crontab for root
 
-`$ vi /etc/crontab `
+    $ vi /etc/crontab
 
 Add the following line to the crontab. Remember to use tab for spacing. 
 For example, 10:00 am of the 2nd day every month run the cronjob to check if due to renew the certificates (You can modify the cronjob schedule according to your needs) 
 
-`0    10    2    *    *    root    /usr/local/sbin/acme.sh/acme.sh --cron --home /usr/local/sbin/acme.sh/`
+    0    10    2    *    *    root    /usr/local/sbin/acme.sh/acme.sh --cron --home /usr/local/sbin/acme.sh/
 
 The last step is to setup a schedule task to copy renewed certificates in cert library to system default directory and restart the Nginx service.
 
@@ -69,18 +69,19 @@ In DSM control panel, open the 'Task Scheduler' and create a new scheduled task
 * Schedule: Setup the time according to your acme.sh crontab schedule. For example, 11:00 am of the 2nd day every month.
 * Task setting: User-defined-script
 
-`rsync -avzh /usr/syno/etc/certificate/_archive/**vPATH**/ /usr/syno/etc/certificate/system/default/`
+    rsync -avzh /usr/syno/etc/certificate/_archive/**vPATH**/ /usr/syno/etc/certificate/system/default/`
 
-`/usr/syno/etc/rc.sysv/nginx.sh reload `
+    /usr/syno/etc/rc.sysv/nginx.sh reload
 
 Now you should all good. 
 
 --------------------------------------------------------------------------------------------------------------------
 
 To fix the broken environment after Synology DSM upgrade, you can
-```
-$ cd /urs/local/sbin/acme.sh
-$ ./acme.sh --upgrade --nocron --home /usr/local/sbin/acme.sh
-```
+
+    $ cd /urs/local/sbin/acme.sh
+    $ ./acme.sh --upgrade --nocron --home /usr/local/sbin/acme.sh
+
 or manually add below line into /root/.profile
-`. "/usr/local/sbin/acme.sh/acme.sh.env"`
\ No newline at end of file
+
+    . "/usr/local/sbin/acme.sh/acme.sh.env"
\ No newline at end of file