In the corrected sentence, referedThe handbook refers to the -P flag which according to zfs -send, the -P flag was(8) means
used insted of the -p flag.(machine) parsable output, but the desired effect is for the properties
to be included in the send.
Change -P to -p, See also man 8 zfs-sendwhich zfs-send(8) identifies as the flag to include
properties.