<para><filename>systemd-timesyncd.service</filename> notifies on successful synchronization.
<filename>systemd-time-wait-sync</filename> also tries to detect when the kernel marks the time as synchronized,
- but this detection is not reliable and is intended only as a fallback for other servies that can be used to
+ but this detection is not reliable and is intended only as a fallback for other services that can be used to
synchronize time (e.g., ntpd, chronyd).</para>
</refsect1>