svn commit: r349145 - head/usr.sbin/pwm

[Ian Lepore]

Author: ian
Date: Mon Jun 17 16:50:58 2019
New Revision: 349145
URL: https://svnweb.freebsd.org/changeset/base/349145

Log:
  Put periods at the ends of argument descriptions.  Explain the relationship
  between the period and duty arguments.

Modified:
  head/usr.sbin/pwm/pwm.8

Modified: head/usr.sbin/pwm/pwm.8
==============================================================================
--- head/usr.sbin/pwm/pwm.8	Mon Jun 17 16:43:33 2019	(r349144)
+++ head/usr.sbin/pwm/pwm.8	Mon Jun 17 16:50:58 2019	(r349145)
@@ -57,7 +57,7 @@ utility can be used to configure pwm controllers.
 The options are as follow:
 .Bl -tag -width "-c channel"
 .It Fl c Ar channel
-Channel number to operate on
+Channel number to operate on.
 .It Fl f Ar device
 Device to operate on.
 If not specified,
@@ -67,15 +67,18 @@ If an unqualified name is provided,
 .Pa /dev/pwm
 is automatically prepended.
 .It Fl E
-Enable the pwm channel
+Enable the pwm channel.
 .It Fl D
-Disable the pwm channel
+Disable the pwm channel.
 .It Fl C
-Show the configuration of the pwm channel
+Show the configuration of the pwm channel.
 .It Fl p Ar period
 Configure the period (in nanoseconds) of the pwm channel
 .It Fl d Ar duty
-Configure the duty (in nanoseconds or percentage) of the pwm channel
+Configure the duty (in nanoseconds or percentage) of the pwm channel.
+Duty is the portion of the
+.Ar period
+during which the signal is asserted.
 .El
 .Sh EXAMPLES
 .Bl -bullet