Fix typos and use consistent section names in manual pages:

 s/SYSCTLS/SYSCTL VARIABLES/
 s/TUNABLES/LOADER TUNABLES/
 s/CAVEAT/CAVEATS/
 s/DESCIPTION/DESCRIPTION/

Reviewed by:	ru
MFC after:	3 days

20 files changed, 22 insertions, 22 deletions

diff --git a/share/man/man3/fpgetround.3 b/share/man/man3/fpgetround.3
index 5d608f0e6669..33c94b7eb638 100644
--- a/share/man/man3/fpgetround.3
+++ b/share/man/man3/fpgetround.3
@@ -170,7 +170,7 @@ At present, they are implemented only on the i386 and amd64 platforms.
 .Sh SEE ALSO
 .Xr fenv 3 ,
 .Xr isnan 3
-.Sh CAVEAT
+.Sh CAVEATS
 After a floating point exception and before a mask is set, the sticky
 flags must be reset.
 If another exception occurs before the sticky
diff --git a/share/man/man4/acpi.4 b/share/man/man4/acpi.4
index b7f2254950ef..edcc7d0db489 100644
--- a/share/man/man4/acpi.4
+++ b/share/man/man4/acpi.4
@@ -52,7 +52,7 @@ driver is automatically loaded by the
 .Xr loader 8 ,
 and should only be
 compiled into the kernel on platforms where ACPI is mandatory.
-.Sh SYSCTLS
+.Sh SYSCTL VARIABLES
 The
 .Nm
 driver is intended to provide power management without user intervention.
@@ -87,7 +87,7 @@ semantics as the C3 state.
 Deeper sleeps provide more power savings but increased transition
 latency when an interrupt occurs.
 .El
-.Sh TUNABLES
+.Sh LOADER TUNABLES
 Tunables can be set at the
 .Xr loader 8
 prompt before booting the kernel or stored in
diff --git a/share/man/man4/acpi_thermal.4 b/share/man/man4/acpi_thermal.4
index 28467fa1eff8..d4e0aaecce80 100644
--- a/share/man/man4/acpi_thermal.4
+++ b/share/man/man4/acpi_thermal.4
@@ -53,7 +53,7 @@ The
 .Nm
 driver also activates the active cooling system according to
 each thermal zone's setpoints.
-.Sh SYSCTLS
+.Sh SYSCTL VARIABLES
 .Bl -tag -width indent
 .It Va hw.acpi.thermal.tz%d.active
 Current active cooling system state.
diff --git a/share/man/man4/acpi_video.4 b/share/man/man4/acpi_video.4
index 156db56ad7e0..c28678479e71 100644
--- a/share/man/man4/acpi_video.4
+++ b/share/man/man4/acpi_video.4
@@ -39,7 +39,7 @@ backlight brightness.
 The availability of the
 .Xr sysctl 8
 variables depends on the functions offered by the host's ACPI implementation.
-.Sh SYSCTLS
+.Sh SYSCTL VARIABLES
 The following sysctls are currently implemented,
 where
 .Aq Ar device
diff --git a/share/man/man4/cpufreq.4 b/share/man/man4/cpufreq.4
index 155e66ea1de9..05b35d7e9fe2 100644
--- a/share/man/man4/cpufreq.4
+++ b/share/man/man4/cpufreq.4
@@ -65,7 +65,7 @@ or by indicating to
 .Pa /etc/rc.d/power_profile
 that it should switch settings when the AC line state changes via
 .Xr rc.conf 5 .
-.Sh SYSCTLS
+.Sh SYSCTL VARIABLES
 These settings may be overridden by kernel drivers requesting alternate
 settings.
 If this occurs, the original values will be restored once the condition
diff --git a/share/man/man4/hwpmc.4 b/share/man/man4/hwpmc.4
index 423620b055c5..ca024272829e 100644
--- a/share/man/man4/hwpmc.4
+++ b/share/man/man4/hwpmc.4
@@ -352,7 +352,7 @@ The PMC needs to be in process-private mode and allocated without the
 modifier flag, and should be attached only to its owner process at the
 time of the call.
 .El
-.Sh SYSCTL TUNABLES
+.Sh SYSCTL VARIABLES AND LOADER TUNABLES
 The behavior of
 .Nm
 is influenced by the following
diff --git a/share/man/man4/inet.4 b/share/man/man4/inet.4
index 92190d1d9154..fef2eaea2f44 100644
--- a/share/man/man4/inet.4
+++ b/share/man/man4/inet.4
@@ -281,7 +281,7 @@ in the reassembling queue for a packet.
 .%B PS1
 .%N 8
 .Re
-.Sh CAVEAT
+.Sh CAVEATS
 The Internet protocol support is subject to change as
 the Internet protocols develop.
 Users should not depend
diff --git a/share/man/man4/man4.i386/acpi_asus.4 b/share/man/man4/man4.i386/acpi_asus.4
index 84666b219483..4b230c94b7ef 100644
--- a/share/man/man4/man4.i386/acpi_asus.4
+++ b/share/man/man4/man4.i386/acpi_asus.4
@@ -100,7 +100,7 @@ also supports the Asus-compatible
 interface found in
 .Em Samsung P30/P35
 laptops.
-.Sh SYSCTLS
+.Sh SYSCTL VARIABLES
 The following sysctls are currently implemented:
 .Bl -tag -width indent
 .It Va hw.acpi.asus.lcd_brightness
diff --git a/share/man/man4/man4.i386/acpi_fujitsu.4 b/share/man/man4/man4.i386/acpi_fujitsu.4
index e634f0d33b41..c160622d7061 100644
--- a/share/man/man4/man4.i386/acpi_fujitsu.4
+++ b/share/man/man4/man4.i386/acpi_fujitsu.4
@@ -45,7 +45,7 @@ interface is provided to simulate the hardware events.
 .Pp
 Using this driver, one can control the brightness of the display, the volume
 of the speakers, and the internal (eraserhead) mouse pointer.
-.Sh SYSCTLS
+.Sh SYSCTL VARIABLES
 These sysctls are currently implemented:
 .Bl -tag -width indent
 .It Va hw.acpi.fujitsu.lcd_brightness
diff --git a/share/man/man4/man4.i386/acpi_ibm.4 b/share/man/man4/man4.i386/acpi_ibm.4
index 6cce8897c70d..14b2ac500b45 100644
--- a/share/man/man4/man4.i386/acpi_ibm.4
+++ b/share/man/man4/man4.i386/acpi_ibm.4
@@ -44,7 +44,7 @@ and
 .Xr devd 8 ,
 through which applications can determine the status of
 various laptop components.
-.Sh SYSCTLS
+.Sh SYSCTL VARIABLES
 The following sysctls are currently implemented:
 .Bl -tag -width indent
 .It Va dev.acpi_ibm.0.initialmask
diff --git a/share/man/man4/man4.i386/acpi_panasonic.4 b/share/man/man4/man4.i386/acpi_panasonic.4
index 079c56d0d22e..1393f0debbd3 100644
--- a/share/man/man4/man4.i386/acpi_panasonic.4
+++ b/share/man/man4/man4.i386/acpi_panasonic.4
@@ -125,7 +125,7 @@ released.
 .Sy Fn+F2 ,
 and so on.
 .El
-.Sh SYSCTLS
+.Sh SYSCTL VARIABLES
 The following MIBs are available:
 .Bl -tag -width indent
 .It Va hw.acpi.panasonic.lcd_brightness_max
diff --git a/share/man/man4/man4.i386/acpi_toshiba.4 b/share/man/man4/man4.i386/acpi_toshiba.4
index fc6d9eee1229..413e8e4f5494 100644
--- a/share/man/man4/man4.i386/acpi_toshiba.4
+++ b/share/man/man4/man4.i386/acpi_toshiba.4
@@ -42,7 +42,7 @@ The
 driver allows the user to manipulate HCI-controlled hardware using a number of
 .Xr sysctl 8
 variables.
-.Sh SYSCTLS
+.Sh SYSCTL VARIABLES
 The following sysctls are currently implemented:
 .Bl -tag -width indent
 .It Va hw.acpi.toshiba.force_fan
@@ -85,7 +85,7 @@ Higher sysctl values mean lower CPU speeds.
 Defaults for these variables can be set in
 .Xr sysctl.conf 5 ,
 which is parsed at boot-time.
-.Sh TUNABLES
+.Sh LOADER TUNABLES
 The
 .Va hw.acpi.toshiba.enable_fn_keys
 tunable enables or disables the function keys on the keyboard.
diff --git a/share/man/man4/man4.i386/mse.4 b/share/man/man4/man4.i386/mse.4
index bd4500ec5da1..7f83dcc87a97 100644
--- a/share/man/man4/man4.i386/mse.4
+++ b/share/man/man4/man4.i386/mse.4
@@ -373,7 +373,7 @@ Define the
 .Nm
 driver at the secondary port address with the IRQ 4 and the acceleration
 factor of 3.
-.Sh CAVEAT
+.Sh CAVEATS
 Some bus mouse interface cards generate interrupts at the fixed report rate
 when enabled, whether or not the mouse state is changing.
 The others generate interrupts only when the state is changing.
diff --git a/share/man/man4/man4.i386/pnp.4 b/share/man/man4/man4.i386/pnp.4
index 11a6aac8d291..3b0ae3ae170e 100644
--- a/share/man/man4/man4.i386/pnp.4
+++ b/share/man/man4/man4.i386/pnp.4
@@ -48,7 +48,7 @@ If it cannot assign necessary resources to a PnP ISA device without
 causing conflict with other devices in the system,
 the device will not be activated and will be unavailable
 to programs.
-.Sh CAVEAT
+.Sh CAVEATS
 It is not possible to disable individual PnP ISA devices.
 The
 .Nm
diff --git a/share/man/man4/man4.i386/pnpbios.4 b/share/man/man4/man4.i386/pnpbios.4
index f1ff238d994d..d8e7609f878f 100644
--- a/share/man/man4/man4.i386/pnpbios.4
+++ b/share/man/man4/man4.i386/pnpbios.4
@@ -44,7 +44,7 @@ If it cannot assign necessary resources to a device without
 causing conflict with other devices in the system,
 the device will not be activated and will be unavailable
 to programs.
-.Sh CAVEAT
+.Sh CAVEATS
 There is no explicit way to disable individual embedded devices.
 The
 .Nm
diff --git a/share/man/man4/natm.4 b/share/man/man4/natm.4
index a70e67f4e785..33bd2b19e8e2 100644
--- a/share/man/man4/natm.4
+++ b/share/man/man4/natm.4
@@ -83,7 +83,7 @@ overhead of a protocol control block lookup.
 This allows us to take
 advantage of the fact that ATM has already demultiplexed the data for
 us.
-.Sh CAVEAT
+.Sh CAVEATS
 The NATM protocol support is subject to change as
 the ATM protocols develop.
 Users should not depend on details of the current implementation, but rather
diff --git a/share/man/man4/ng_ccatm.4 b/share/man/man4/ng_ccatm.4
index 598b5ed521d8..923b06df2521 100644
--- a/share/man/man4/ng_ccatm.4
+++ b/share/man/man4/ng_ccatm.4
@@ -47,7 +47,7 @@
 .In netgraph.h
 .In netgraph/ng_uni.h
 .In netgraph/ng_ccatm.h
-.Sh DESCIPTION
+.Sh DESCRIPTION
 The
 .Nm
 node implements the API specified by the ATM Forum for access to ATM services
diff --git a/share/man/man4/oldcard.4 b/share/man/man4/oldcard.4
index af31d8fe764d..4da469c131f6 100644
--- a/share/man/man4/oldcard.4
+++ b/share/man/man4/oldcard.4
@@ -179,7 +179,7 @@ For the present, unless you have a one slot machine, you should set
 to force polling mode.
 Two slot machines have minor issues with using an ISA interrupt for the
 CSC interrupt.
-.Sh TUNABLES
+.Sh LOADER TUNABLES
 .Bl -tag -width indent
 .It Va hw.pcic.ignore_function_1
 Needed for some, improperly manufactured PCI cards made by Orinoco.
diff --git a/share/man/man4/psm.4 b/share/man/man4/psm.4
index 3e9c419a82a4..39ae333ec481 100644
--- a/share/man/man4/psm.4
+++ b/share/man/man4/psm.4
@@ -348,7 +348,7 @@ It has no effect unless the
 .Em HOOKRESUME
 flag is set as well.
 .El
-.Sh TUNABLES
+.Sh LOADER TUNABLES
 Extended support for Synaptics touchpads can be enabled by setting
 .Va hw.psm.synaptics_support
 to
diff --git a/share/man/man4/vkbd.4 b/share/man/man4/vkbd.4
index dcba17df99fe..da8ac6874c22 100644
--- a/share/man/man4/vkbd.4
+++ b/share/man/man4/vkbd.4
@@ -131,7 +131,7 @@ All queued scan codes are thrown away.
 .Xr pcvt 4 ,
 .Xr psm 4 ,
 .Xr syscons 4
-.Sh CAVEAT
+.Sh CAVEATS
 The
 .Nm
 interface is a software loopback mechanism, and, thus