diff --git a/doc/install-guide/section_basics-ntp.xml b/doc/install-guide/section_basics-ntp.xml
index 781ba0bf4a..e9e13295e0 100644
--- a/doc/install-guide/section_basics-ntp.xml
+++ b/doc/install-guide/section_basics-ntp.xml
@@ -18,7 +18,7 @@
on your controller node so that it receives data by modifying
the ntp.conf file and restarting the
service:
- # service ntpd start
+ # service ntpd start
# chkconfig ntpd on
# service ntp start
# chkconfig ntp on