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-rw-r--r--man/systemd-timesyncd.service.xml9
1 files changed, 5 insertions, 4 deletions
diff --git a/man/systemd-timesyncd.service.xml b/man/systemd-timesyncd.service.xml
index 9ab4af9763..34e0a67472 100644
--- a/man/systemd-timesyncd.service.xml
+++ b/man/systemd-timesyncd.service.xml
@@ -75,10 +75,11 @@
<term><filename>/var/lib/systemd/timesync/clock</filename></term>
<listitem>
- <para>The modification time ("mtime") of this file indicates the timestamp of the last successful
- synchronization (or at least the systemd build date, in case synchronization was not possible). It
- is used to ensure that the system clock remains roughly monotonic across reboots, in case no local
- RTC is available.</para>
+ <para>The modification time ("mtime") of this file is updated on each successful NTP synchronization
+ or after each <varname>SaveIntervalSec=</varname> time interval, as specified in
+ <citerefentry><refentrytitle>timesyncd.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
+ At the minimum, it will be set to the systemd build date. It is used to ensure that the system clock
+ remains roughly monotonic across reboots, in case no local RTC is available.</para>
</listitem>
</varlistentry>