envsys.4 && sysmon_envsys.9: grammar corrections

[Constantine Aleksandrovich Murenin <C++%Cns.SU@localhost>]

Hi, 

A few grammar corrections for envsys.4 and sysmon_envsys.9 are attached.

Best regards,
Constantine. 

From eb80390af5b5ca64c3c6d44dde68b4b4478d5e60 Mon Sep 17 00:00:00 2001
From: Constantine A. Murenin <cnst+netbsd%bugmail.mojo.ru@localhost>
Date: Tue, 3 Nov 2009 01:00:07 -0500
Subject: [PATCH 1/2] grammar

---
 share/man/man4/envsys.4 |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/share/man/man4/envsys.4 b/share/man/man4/envsys.4
index 43f6435..8d872e0 100644
--- a/share/man/man4/envsys.4
+++ b/share/man/man4/envsys.4
@@ -157,7 +157,7 @@ Let's explain some more about those objects:
 .It Fa allow-rfact
 Set to
 .Em true
-mean that the sensor is able to change the resistor factor,
+means that the sensor is able to change the resistor factor,
 only used in Voltage sensors.
 .It Fa avg-value
 Current average value in the sensor.
-- 
1.6.4

From b43fed2f2c41ebf23f4a5c105be0406fe6f07b44 Mon Sep 17 00:00:00 2001
From: Constantine A. Murenin <cnst+netbsd%bugmail.mojo.ru@localhost>
Date: Tue, 10 Nov 2009 17:18:28 -0500
Subject: [PATCH 2/2] grammar

---
 share/man/man9/sysmon_envsys.9 |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/share/man/man9/sysmon_envsys.9 b/share/man/man9/sysmon_envsys.9
index 206c32b..0411498 100644
--- a/share/man/man9/sysmon_envsys.9
+++ b/share/man/man9/sysmon_envsys.9
@@ -85,7 +85,7 @@ calling the
 .Fn sysmon_envsys_register
 function to register the device.
 .Pp
-If there's some error before registering the device, the
+If there is some error before registering the device, the
 .Fn sysmon_envsys_destroy
 function must be used to detach the sensors previously attached
 and free the sysmon_envsys object allocated by the
@@ -94,7 +94,7 @@ function.
 .Pp
 The
 .Em sysmon_envsys
-structure is defined as follow
+structure is defined as follows
 (only the public members are shown):
 .Bd -literal
 struct sysmon_envsys {
@@ -274,7 +274,7 @@ event will never be sent, and the graceful shutdown won't 
be possible.
 .Ss SENSOR DETAILS
 Each sensor uses a
 .Sy envsys_data_t
-structure, it's defined as follow (only the public members are shown);
+structure, it's defined as follows (only the public members are shown);
 .Bd -literal
 typedef struct envsys_data {
        uint32_t        units;
-- 
1.6.4