[system-administrators-guide] Improving the explanation of rtcsync directive & 11 minute mode.

[stephenw]

commit 1d9d24d94ff9cfbbe6af3ee2e9800160c1058600
Author: Stephen Wadeley <swadeley at redhat.com>
Date:   Mon Jul 1 14:28:36 2013 +0200

    Improving the explanation of rtcsync directive & 11 minute mode.

 en-US/Configuring_NTP_using_the_Chrony_suite.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/en-US/Configuring_NTP_using_the_Chrony_suite.xml b/en-US/Configuring_NTP_using_the_Chrony_suite.xml
index 57c11c0..b903cb9 100644
--- a/en-US/Configuring_NTP_using_the_Chrony_suite.xml
+++ b/en-US/Configuring_NTP_using_the_Chrony_suite.xml
@@ -866,7 +866,7 @@ This is the estimated error bounds on Freq (again in parts per million).
 
 </para>
 <para>
-  In &MAJOROS;, the real-time clock should not be manually adjusted as this would interfere with <application>chrony</application>'s need to measure the rate at which the real-time clock drifts if it was adjusted at random intervals. By default, <application>rtcsync</application> will inform the kernel the system clock is synchronized and the kernel will update the real-time clock in 11 minute intervals.
+  In &MAJOROS;, the real-time clock should not be manually adjusted as this would interfere with <application>chrony</application>'s need to measure the rate at which the real-time clock drifts if it was adjusted at random intervals. By default, the <application>rtcsync</application> directive is present in the <filename>/etc/chrony.conf</filename> file. This will inform the kernel the system clock is kept synchronized and the kernel will update the real-time clock every 11 minutes.
 </para>
 </section>
 </section>