<function>sd_seat_can_multi_session()</function>,
<function>sd_seat_can_tty()</function> and
<function>sd_seat_can_grapical()</function> interfaces
- are available as shared library, which can be compiled
+ are available as a shared library, which can be compiled
and linked to with the
<constant>libsystemd-login</constant> <citerefentry><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry>
file.</para>