<function>sd_watchdog_enabled()</function> will unset
the <varname>$WATCHDOG_USEC</varname> and
<varname>$WATCHDOG_PID</varname> environment variables
- before returning (regardless whether the function call
+ before returning (regardless of whether the function call
itself succeeded or not). Further calls to
<function>sd_watchdog_enabled()</function> will then
return with zero, but the variable is no longer
implemented in the reference implementation's
<filename>sd-daemon.c</filename> and
<filename>sd-daemon.h</filename> files. These
- interfaces are available as shared library, which can
+ interfaces are available as a shared library, which can
be compiled and linked to with the
<constant>libsystemd-daemon</constant> <citerefentry><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry>
file. Alternatively, applications consuming these APIs