update
diff --git a/man/man1/0intro.1 b/man/man1/0intro.1
index 42e1caf..9cab9cb 100644
--- a/man/man1/0intro.1
+++ b/man/man1/0intro.1
@@ -127,6 +127,8 @@
.IR 9p (1)
client can be used in shell scripts or by hand to carry out
simple interactions with servers.
+.IR Netfiles (1)
+is an experimental client for acme.
.SS External databases
Some programs rely on large databases that would be
cumbersome to include in every release.
@@ -205,17 +207,16 @@
.IR factotum (4),
.IR secstore (1),
and
-.IR secstored (1)
-are all ported.
-.IR Vac (1)
+.IR secstored (1),
+.IR vac (1),
+.IR vacfs (4),
and
-.IR vacfs (4)
-have also been ported;
-.IR venti
-is in progress.
+.IR venti (8)
+are all ported.
.PP
A backup system providing a dump file system built atop Venti
-is in progress.
+is in progress; see
+.IR vbackup (8).
.SS Porting to new systems
Porting the tree to new operating systems or architectures
should be straightforward, as system-specific code has been
@@ -287,8 +288,9 @@
describes file formats and protocols.
(On Unix, section (5) is technically for file formats but
seems now to be used for describing specific files.)
-.\" .PP
-.\" Section (8) describes commands used for system administration.
+.PP
+.HR ../man8 "Section (8)
+describes commands used for system administration.
.PP
.HR ../man9 "Section (9p)
describes the Plan 9 file protocol 9P.
@@ -333,12 +335,15 @@
.IR searchpath (3),
.IR sendfd (3),
.IR udpread (3),
+.IR venti (3),
.IR wait (3),
.IR wctl (3)
.IP
.IR intro (4),
.IR 9pserve (4),
-.IR import (4)
+.IR import (4),
+.IP
+.IR vbackup (8)
.IP
.IR openfd (9p)
.SH DIAGNOSTICS
