lpd: maintainer's update: now with spool helpers

function                                             old     new   delta
exec_helper                                            -     227    +227
sane                                                  66     117     +51
packed_usage                                       23806   23828     +22
lpd_main                                             486     504     +18
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 3/0 up/down: 318/0)             Total: 318 bytes
diff --git a/include/usage.h b/include/usage.h
index 54b6a4d..450f801 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -2108,10 +2108,10 @@
        "losetup -f will show the first loop free loop device\n\n"
 
 #define lpd_trivial_usage \
-       "SPOOLDIR"
+       "SPOOLDIR [HELPER [ARGS...]]"
 #define lpd_full_usage \
        "Example:" \
-     "\n	tcpsvd -E 0 515 softlimit -m 99999 lpd /var/spool"
+     "\n	tcpsvd -E 0 515 softlimit -m 999999 lpd /var/spool ./print"
 
 #define lpq_trivial_usage \
        "[-P queue[@host[:port]]] [-U USERNAME] [-d JOBID...] [-fs]"