diff --git a/contrib/top/top.X b/contrib/top/top.X
index 97649c37f26e..8ceb5fb1ed14 100644
--- a/contrib/top/top.X
+++ b/contrib/top/top.X
@@ -10,7 +10,7 @@ top \- display and update information about the top cpu processes
 .SH SYNOPSIS
 .B top
 [
-.B \-SbiInqut
+.B \-SbiInqutv
 ] [
 .BI \-d count
 ] [
@@ -106,6 +106,11 @@ all the user id numbers it encounters into login names.  This option
 disables all that, while possibly decreasing execution time.  The uid
 numbers are displayed instead of the names.
 .TP
+.B \-v
+Write version number information to stderr then exit immediately.
+No other processing takes place when this option is used.  To see current
+revision information while top is running, use the help command \*(lq?\*(rq.
+.TP
 .BI \-d count
 Show only
 .I count
@@ -194,7 +199,8 @@ These commands are currently recognized (^L refers to control-L):
 .B ^L
 Redraw the screen.
 .IP "\fBh\fP\ or\ \fB?\fP"
-Display a summary of the commands (help screen).
+Display a summary of the commands (help screen).  Version information
+is included in this display.
 .TP
 .B q
 Quit
@@ -230,6 +236,12 @@ Display only processes owned by a specific username (prompt for username).
 If the username specified is simply \*(lq+\*(rq, then processes belonging
 to all users will be displayed.
 .TP
+.B o
+Change the order in which the display is sorted.  This command is not
+available on all systems.  The sort key names vary fron system to system
+but usually include:  \*(lqcpu\*(rq, \*(lqres\*(rq, \*(lqsize\*(rq,
+\*(lqtime\*(rq.  The default is cpu.
+.TP
 .B e
 Display a list of system errors (if any) generated by the last
 .BR k ill