Many small edits.
diff --git a/man/man7/plumb.7 b/man/man7/plumb.7
index 82c771b..fd30ee0 100644
--- a/man/man7/plumb.7
+++ b/man/man7/plumb.7
@@ -396,24 +396,24 @@
include basic
.EE
.SH FILES
-.TF /usr/$user/lib/plumbing
+.TF $HOME/lib/plumbing
.TP
-.B /usr/$user/lib/plumbing
+.B $HOME/lib/plumbing
default rules file.
.TP
-.B /mnt/plumb
-mount point for
+.B plumb
+service name for
.IR plumber (4).
.TP
-.B /sys/lib/plumb
+.B \*9/plumb
directory for
.B include
files.
.TP
-.B /sys/lib/plumb/fileaddr
+.B \*9/plumb/fileaddr
public macro definitions.
.TP
-.B /sys/lib/plumb/basic
+.B \*9/plumb/basic
basic rule set.
.SH "SEE ALSO"
.IR plumb (1),
