<varname>FileDescriptorName=</varname> in socket unit files, and enables use of
<citerefentry><refentrytitle>sd_listen_fds_with_names</refentrytitle><manvolnum>3</manvolnum></citerefentry>.
Multiple entries may be specifies using separate options or by separating names with colons
- (<literal>:</literal>) in one option. In case more names are given than descriptors, superflous ones willl be
+ (<literal>:</literal>) in one option. In case more names are given than descriptors, superfluous ones willl be
ignored. In case less names are given than descriptors, the remaining file descriptors will be unnamed.
</para></listitem>
</varlistentry>