Index: bin/sh/sh.1
===================================================================
--- bin/sh/sh.1
+++ bin/sh/sh.1
@@ -32,7 +32,7 @@
 .\"	from: @(#)sh.1	8.6 (Berkeley) 5/4/95
 .\" $FreeBSD$
 .\"
-.Dd February 24, 2019
+.Dd September 9, 2019
 .Dt SH 1
 .Os
 .Sh NAME
@@ -1325,6 +1325,9 @@
 the process ID and its exit status until the
 .Ic wait
 built-in command reports completion of the process.
+.It Li $_
+Expands to the last argument of the most recently executed non-pipeline
+command.
 .It Li $0
 (zero) Expands to the name of the shell script if passed on the command line,
 the