cpuctl.8: minor fixes

usr.sbin/cpuctl/cpuctl.8

@@ -1,4 +1,4 @@
-.\"	$NetBSD: cpuctl.8,v 1.19 2019/04/15 22:37:13 gutteridge Exp $
+.\"	$NetBSD: cpuctl.8,v 1.20 2019/05/17 23:51:35 gutteridge Exp $
 .\"
 .\" Copyright (c) 2007, 2008, 2012, 2015 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -27,7 +27,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd April 15, 2019
+.Dd May 17, 2019
 .Dt CPUCTL 8
 .Os
 .Sh NAME
@@ -47,7 +47,7 @@ The first argument,
 .Ar command ,
 specifies the action to take.
 Valid commands are:
-.Bl -tag -width offline
+.Bl -tag -width identify
 .It identify Ar cpu Op Ar cpu ...
 Output information on the specified CPU's features and capabilities.
 Not available on all architectures.
@@ -57,7 +57,7 @@ state change.
 .It offline Ar cpu Op Ar cpu ...
 Set the specified CPUs off line.
 .Pp
-Unbound LWPs (lightweight processes) will not be executed on the CPUs
+Unbound LWPs (lightweight processes) will not be executed on a CPU
 while it is off line.
 Bound LWPs will continue to be executed on the CPUs, and device interrupts
 routed to the CPUs will continue to be handled.
@@ -66,7 +66,7 @@ away from individual CPUs.
 .Pp
 At least one CPU in the system must remain on line.
 .It online Ar cpu Op Ar cpu ...
-Set the specified CPUs on line, making it available to run unbound LWPs.
+Set the specified CPUs on line, making them available to run unbound LWPs.
 .It ucode Xo
 .Op Ar cpu
 .Op Ar file
@@ -84,7 +84,7 @@ The
 command prints the installed version on the specified CPUs.
 On success the
 .Cm identify
-command show different ucode versions before and after this command.
+command shows different ucode versions before and after this command.
 The ucode updates are found in the default firmware path found in
 sysctl hw.firmware.path.
 .It intr Ar cpu Op Ar cpu ...