Index: head/usr.bin/systat/systat.1
===================================================================
--- head/usr.bin/systat/systat.1
+++ head/usr.bin/systat/systat.1
@@ -28,7 +28,7 @@
 .\"	@(#)systat.1	8.2 (Berkeley) 12/30/93
 .\" $FreeBSD$
 .\"
-.Dd November 10, 2016
+.Dd December 5, 2016
 .Dt SYSTAT 1
 .Os
 .Sh NAME
@@ -112,19 +112,22 @@
 specifies the screen refresh time interval in seconds.
 Time interval can be fractional.
 .It Ar display-commands
-A list of commands specific for this display. These commands can also
-be entered interactively and are described for each display separately
-below. If the command of the display requires an argument or arguments,
-it is possible to specify them as separate command line argument. To finish
-display commands it is possible to use double dash at the end
-of the list. For example:
+A list of commands specific to this display.
+These commands can also be entered interactively and are described for
+each display separately below.
+If the command requires arguments, they can be specified as separate
+command line arguments.
+A command line argument
+.Fl -
+will finish display commands.
+For example:
 .Pp
 .Dl Nm Fl ifstat Fl match Ar bge0,em1 Fl pps
 .Pp
 This will display statistics of packets per second for network interfaces
 named as bge0 and em1.
 .Pp
-.Dl Nm Fl iostat Fl numeric Fl - Ar 2.1
+.Dl Nm Fl iostat Fl numbers Fl - Ar 2.1
 .Pp
 This will display all IO statistics in a numeric format and the information
 will be refreshed each 2.1 seconds.