<para><command>systemd-bus-proxyd</command> will proxy D-Bus
messages to and from a bus. The will be either the system bus or
the bus specified with <option>--address</option> when that option
- is given. Messages will be proxied to/from STDIN and STDOUT, or
- the socket received through socket activation.</para>
+ is given. Messages will be proxied to/from standard input and
+ output, or the socket received through socket activation.</para>
<para>This program can be used to connect a program using classic
D-Bus to kdbus.</para>