media for transferring packets to other nodes.
Assume that you send two files to @emph{bob} node. Insert USB storage
-device (SD is preferable!), mount it and run @ref{nncp-xfer}:
+device (SD is preferable!), mount it and run @command{@ref{nncp-xfer}}:
@example
$ nncp-xfer -node bob /media/usbstick
@end example
to find all packets related to their node and copy them locally for
-further processing. @command{nncp-xfer} is the only command used with
+further processing. @command{@ref{nncp-xfer}} is the only command used with
removable devices.
+
+You can also optionally wait for explicit packets receipt
+acknowledgement as described in @command{@ref{nncp-ack}}.