diff --git a/bin/expr/expr.1 b/bin/expr/expr.1
index 6b9c610d76b6..6ad821a22e70 100644
--- a/bin/expr/expr.1
+++ b/bin/expr/expr.1
@@ -30,7 +30,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd September 9, 2010
+.Dd February 25, 2012
 .Dt EXPR 1
 .Os
 .Sh NAME
@@ -52,7 +52,7 @@ Several of the operators have special meaning to command interpreters
 and must therefore be quoted appropriately.
 All integer operands are interpreted in base 10 and must consist of only
 an optional leading minus sign followed by one or more digits (unless
-less strict parsing has been enabled for backwards compatibilty with
+less strict parsing has been enabled for backwards compatibility with
 prior versions of
 .Nm
 in
@@ -284,7 +284,7 @@ An empty operand string is interpreted as 0.
 .Bl -bullet
 .It
 Leading white space and/or a plus sign before an otherwise valid positive
-numberic operand are allowed and will be ignored.
+numeric operand are allowed and will be ignored.
 .El
 .Pp
 The extended arithmetic range and overflow checks do not conflict with
diff --git a/lib/libc/sys/cap_enter.2 b/lib/libc/sys/cap_enter.2
index a3ea710b53a8..5454ec94862f 100644
--- a/lib/libc/sys/cap_enter.2
+++ b/lib/libc/sys/cap_enter.2
@@ -28,7 +28,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd June 11, 2009
+.Dd February 25, 2012
 .Dt CAP_ENTER 2
 .Os
 .Sh NAME
@@ -68,7 +68,7 @@ appropriately-crafted applications or application components may be run.
 returns a flag indicating whether or not the process is in a capability mode
 sandbox.
 .Sh CAVEAT
-Creating effecive process sandboxes is a tricky process that involves
+Creating effective process sandboxes is a tricky process that involves
 identifying the least possible rights required by the process and then
 passing those rights into the process in a safe manner.
 See the CAVEAT
diff --git a/lib/libc/sys/pdfork.2 b/lib/libc/sys/pdfork.2
index 3f36e881ec9e..4bd7d72a89b3 100644
--- a/lib/libc/sys/pdfork.2
+++ b/lib/libc/sys/pdfork.2
@@ -28,7 +28,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd August 16, 2011
+.Dd February 25, 2012
 .Dt PDFORK 2
 .Os
 .Sh NAME
@@ -87,7 +87,7 @@ except that it accepts a process descriptor,
 rather than a PID.
 .Pp
 .Fn pdwait4
-behaves identially to
+behaves identically to
 .Xr wait4 2 ,
 but operates with respect to a process descriptor argument rather than a PID.
 .Pp
diff --git a/lib/libc/sys/posix_fadvise.2 b/lib/libc/sys/posix_fadvise.2
index bdf321fe2191..864e32503590 100644
--- a/lib/libc/sys/posix_fadvise.2
+++ b/lib/libc/sys/posix_fadvise.2
@@ -28,7 +28,7 @@
 .\"	@(#)madvise.2	8.1 (Berkeley) 6/9/93
 .\" $FreeBSD$
 .\"
-.Dd October 26, 2011
+.Dd February 25, 2012
 .Dt POSIX_FADVISE 2
 .Os
 .Sh NAME
@@ -74,7 +74,7 @@ This currently does nothing as the default behavior uses heuristics to
 detect sequential behavior.
 .It Dv POSIX_FADV_WILLNEED
 Tells the system that the specified data will be accessed in the near future.
-The system may initiate an asychronous read of the data if it is not already
+The system may initiate an asynchronous read of the data if it is not already
 present in memory.
 .It Dv POSIX_FADV_DONTNEED
 Tells the system that the specified data will not be accessed in the near
diff --git a/lib/libc/sys/posix_fallocate.2 b/lib/libc/sys/posix_fallocate.2
index f7cbd49c4338..fbeb6d3180a2 100644
--- a/lib/libc/sys/posix_fallocate.2
+++ b/lib/libc/sys/posix_fallocate.2
@@ -28,7 +28,7 @@
 .\"     @(#)open.2	8.2 (Berkeley) 11/16/93
 .\" $FreeBSD$
 .\"
-.Dd April 13, 2011
+.Dd February 25, 2012
 .Dt POSIX_FALLOCATE 2
 .Os
 .Sh NAME
@@ -48,7 +48,7 @@ to
 .Fa len
 in the file referenced by
 .Fa fd
-is guarateed to be allocated upon successful return.
+is guaranteed to be allocated upon successful return.
 That is, if
 .Fn posix_fallocate
 returns successfully, subsequent writes to the specified file data
diff --git a/lib/libmemstat/libmemstat.3 b/lib/libmemstat/libmemstat.3
index d7a000c481ca..9b749f053c71 100644
--- a/lib/libmemstat/libmemstat.3
+++ b/lib/libmemstat/libmemstat.3
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd July 21, 2011
+.Dd February 25, 2012
 .Dt LIBMEMSTAT 3
 .Os
 .Sh NAME
@@ -345,7 +345,7 @@ Return a caller-owned per-CPU pointer for the memory type.
 Set a caller-owned per-CPU pointer for the memory type.
 .It Fn memstat_get_percpu_caller_uint64
 Return a caller-owned per-CPU integer for the memory type.
-.It Fn memsttat_set_percpu_caller_uint64
+.It Fn memstat_set_percpu_caller_uint64
 Set a caller-owned per-CPU integer for the memory type.
 .It Fn memstat_get_percpu_free
 If the memory allocator supports a per-CPU cache, return the number of free
diff --git a/lib/libpmc/pmc.mips.3 b/lib/libpmc/pmc.mips.3
index bad20461bf4a..2f9be214fe1f 100644
--- a/lib/libpmc/pmc.mips.3
+++ b/lib/libpmc/pmc.mips.3
@@ -23,7 +23,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 11, 2010
+.Dd February 25, 2012
 .Dt PMC.MIPS 3
 .Os
 .Sh NAME
@@ -166,7 +166,7 @@ This includes all instructions that normally write to a general
 purpose register, but where the destination register was set to r0.
 .It Li INTEGER_MULDIV_COMPLETED
 .Pq Event 17, Counter 1
-Integer multipy and divide instructions completed.  (MULxx, DIVx, MADDx, MSUBx).
+Integer multiply and divide instructions completed.  (MULxx, DIVx, MADDx, MSUBx).
 .It Li RF_STALL
 .Pq Event 18, Counter 0
 Counts the total number of cycles where no instructions are issued
diff --git a/lib/libpmc/pmc.westmere.3 b/lib/libpmc/pmc.westmere.3
index c5f1e1cb1119..0b8934e2829c 100644
--- a/lib/libpmc/pmc.westmere.3
+++ b/lib/libpmc/pmc.westmere.3
@@ -23,7 +23,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd March 24, 2010
+.Dd February 25, 2012
 .Dt PMC.WESTMERE 3
 .Os
 .Sh NAME
@@ -643,7 +643,7 @@ Counter 0.
 .Pq Event 60H , Umask 08H
 Counts weighted cycles of offcore read requests of any kind. Include L2
 prefetch requests.
-Ccounter 0.
+Counter 0.
 .It Li CACHE_LOCK_CYCLES.L1D_L2
 .Pq Event 63H , Umask 01H
 Cycle count during which the L1D and L2 are locked. A lock is asserted when
diff --git a/lib/libusb/libusb.3 b/lib/libusb/libusb.3
index 4e4dd1012bd3..c3f2a4487f37 100644
--- a/lib/libusb/libusb.3
+++ b/lib/libusb/libusb.3
@@ -26,7 +26,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd November 9, 2011
+.Dd February 25, 2012
 .Dt LIBUSB 3
 .Os
 .Sh NAME
@@ -483,7 +483,7 @@ on success and a LIBUSB_ERROR code on failure.
 .Pp
 .Ft int
 .Fn libusb_handle_events_locked "libusb_context *ctx" "struct timeval *tv"
-Handle any pending events by polling file desciptors, without checking if
+Handle any pending events by polling file descriptors, without checking if
 another thread is already doing so.
 Must be called with the event lock held.
 .Pp
diff --git a/lib/libutil/kinfo_getproc.3 b/lib/libutil/kinfo_getproc.3
index 2778ad1fc56e..ff41d81626af 100644
--- a/lib/libutil/kinfo_getproc.3
+++ b/lib/libutil/kinfo_getproc.3
@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd July 9, 2009
+.Dd February 25, 2012
 .Os
 .Dt KINFO_GETPROC 3
 .Sh NAME
@@ -44,7 +44,7 @@ This function is used for obtaining process information from the kernel.
 The
 .Ar pid
 field contains the process identifier.
-This should be the a process that you have privilige to access.
+This should be a process that you have privilege to access.
 This function is a wrapper around
 .Xr sysctl 3
 with the
diff --git a/lib/libvgl/vgl.3 b/lib/libvgl/vgl.3
index b105ab355dec..0979e44483a8 100644
--- a/lib/libvgl/vgl.3
+++ b/lib/libvgl/vgl.3
@@ -26,7 +26,7 @@
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
 .\" $FreeBSD$
-.Dd November 7, 1999
+.Dd February 25, 2012
 .Dt VGL 3
 .Os
 .Sh NAME
@@ -386,7 +386,7 @@ Passing an in-memory bitmap to this function results in error.
 The desired virtual screen width may not be achievable because
 of the video card hardware.
 In such case the video driver (and
-underlaying video BIOS) may choose the next largest values.
+underlying video BIOS) may choose the next largest values.
 Always examine
 .Va object->VXsize
 and
diff --git a/sbin/iscontrol/iscsi.conf.5 b/sbin/iscontrol/iscsi.conf.5
index 84f0f01b6b72..230703848c2c 100644
--- a/sbin/iscontrol/iscsi.conf.5
+++ b/sbin/iscontrol/iscsi.conf.5
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd June 5, 2007
+.Dd February 25, 2012
 .Dt ISCSI.CONF 5
 .Os
 .Sh NAME
@@ -113,7 +113,7 @@ bytes it can receive in an iSCSI PDU, default is 8192.
 .It Cm MaxOutstandingR2T
 is used to calculate/negotiate the
 .Em tag opening ,
-can be overriden by the
+can be overridden by the
 .Sy tag
 option.
 .It Cm DataPDUInOrder
diff --git a/share/man/man3/pthread_getthreadid_np.3 b/share/man/man3/pthread_getthreadid_np.3
index 271b62891c81..bd28c6b5bf20 100644
--- a/share/man/man3/pthread_getthreadid_np.3
+++ b/share/man/man3/pthread_getthreadid_np.3
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 7, 2011
+.Dd February 25, 2012
 .Dt PTHREAD_GETTHREADID_NP 3
 .Os
 .Sh NAME
@@ -42,7 +42,7 @@ The
 function returns the unique integral ID of the calling thread.
 Its semantics is similar to the AIX's
 .Fn pthread_getthreadid_np
-functuion.
+function.
 .Sh RETURN VALUES
 The
 .Fn pthread_getthreadid_np
diff --git a/share/man/man4/acpi_panasonic.4 b/share/man/man4/acpi_panasonic.4
index 4bd7038e3ac1..d02a16e3ffd5 100644
--- a/share/man/man4/acpi_panasonic.4
+++ b/share/man/man4/acpi_panasonic.4
@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 8, 2010
+.Dd February 25, 2012
 .Dt ACPI_PANASONIC 4
 .Os
 .Sh NAME
@@ -66,7 +66,7 @@ The third and last is to provide a way to adjust LCD brightness and
 sound mute state via
 .Xr sysctl 8 .
 .Ss Hotkeys
-There are 9 hotkeys available on the supported hardwares:
+There are 9 hotkeys available on the supported hardware:
 .Pp
 .Bl -tag -compact -offset indent
 .It Sy Fn+F1
diff --git a/share/man/man4/cxgbe.4 b/share/man/man4/cxgbe.4
index 4bf5ac3ec462..204f5599b9aa 100644
--- a/share/man/man4/cxgbe.4
+++ b/share/man/man4/cxgbe.4
@@ -31,7 +31,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 14, 2011
+.Dd February 25, 2012
 .Dt CXGBE 4
 .Os
 .Sh NAME
@@ -56,7 +56,7 @@ The
 .Nm
 driver provides support for PCI Express Ethernet adapters based on
 the Chelsio Terminator 4 (T4) ASIC.
-The driver supprts Jumbo Frames, Transmit/Receive checksum offload,
+The driver supports Jumbo Frames, Transmit/Receive checksum offload,
 TCP segmentation offload (TSO), Large Receive Offload (LRO), VLAN
 tag insertion/extraction, VLAN checksum offload, VLAN TSO, and
 Receive Side Steering (RSS).
diff --git a/share/man/man4/ed.4 b/share/man/man4/ed.4
index 3bc70774ae2b..ccb9c612cdc5 100644
--- a/share/man/man4/ed.4
+++ b/share/man/man4/ed.4
@@ -30,7 +30,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 8, 2012
+.Dd February 25, 2012
 .Dt ED 4
 .Os
 .Sh NAME
@@ -289,7 +289,7 @@ Surecom EtherPerfect EP-427
 .It
 Surecom NE-34
 .It
-TDK 3000/3400/5670 Fast Etherenet/Modem
+TDK 3000/3400/5670 Fast Ethernet/Modem
 .It
 TDK LAK-CD031, Grey Cell GCS2000 Ethernet Card
 .It
diff --git a/share/man/man4/mac_lomac.4 b/share/man/man4/mac_lomac.4
index 80f2daf45fbc..0cf99c97f299 100644
--- a/share/man/man4/mac_lomac.4
+++ b/share/man/man4/mac_lomac.4
@@ -30,7 +30,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd December 11, 2002
+.Dd February 25, 2012
 .Dt MAC_LOMAC 4
 .Os
 .Sh NAME
@@ -63,7 +63,7 @@ which protects the integrity of system objects and subjects by means of
 an information flow policy coupled with the subject demotion
 via floating labels.
 In LOMAC, all system subjects and objects are assigned integrity labels, made
-up of one or more hierarchial grades, depending on the their types.
+up of one or more hierarchical grades, depending on the their types.
 Together, these label elements permit all labels to be placed in a partial
 order, with information flow protections and demotion decisions
 based on a dominance operator
diff --git a/share/man/man4/umcs.4 b/share/man/man4/umcs.4
index af8bd5f20984..4c50de1079d7 100644
--- a/share/man/man4/umcs.4
+++ b/share/man/man4/umcs.4
@@ -28,7 +28,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd November 20, 2011
+.Dd February 25, 2012
 .Dt UMCS 4
 .Os
 .Sh NAME
@@ -56,7 +56,7 @@ The
 driver provides support for various multiport serial adapters based on the MosCom
 MCS7820 and MCS7840 chips. They are 2- or 4-port adapters with full-featured
 16550-compatible UARTs and very flexible baud generators. Also, these chips
-support RS422/RS485 and IrDA oprations.
+support RS422/RS485 and IrDA operations.
 .Pp
 The device is accessed through the
 .Xr ucom 4
diff --git a/share/man/man4/vr.4 b/share/man/man4/vr.4
index de65fe1a776f..cd49f4be74f4 100644
--- a/share/man/man4/vr.4
+++ b/share/man/man4/vr.4
@@ -30,7 +30,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 7, 2010
+.Dd February 25, 2012
 .Dt VR 4
 .Os
 .Sh NAME
@@ -94,7 +94,7 @@ or
 .Ar half-duplex
 modes.
 .It 100baseTX
-Set 100Mbps (Fast Fthernet) operation.
+Set 100Mbps (Fast Ethernet) operation.
 The
 .Ar mediaopt
 option can also be used to select either
diff --git a/share/man/man5/rc.conf.5 b/share/man/man5/rc.conf.5
index 83d91be19165..99793bead2b7 100644
--- a/share/man/man5/rc.conf.5
+++ b/share/man/man5/rc.conf.5
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 11, 2012
+.Dd February 25, 2012
 .Dt RC.CONF 5
 .Os
 .Sh NAME
@@ -1427,7 +1427,7 @@ Note that ICMPv6 Router Advertisement messages will be
 accepted even when
 .Va net.inet6.ip6.forwarding
 is 1
-.Pq packet fowarding is enabled
+.Pq packet forwarding is enabled
 when
 .Va net.inet6.ip6.rfc6204w3
 is set to 1.
diff --git a/share/man/man9/kqueue.9 b/share/man/man9/kqueue.9
index 8f0d109d22a3..2ecc08be5ddf 100644
--- a/share/man/man9/kqueue.9
+++ b/share/man/man9/kqueue.9
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd November 5, 2011
+.Dd February 25, 2012
 .Dt KQUEUE 9
 .Os
 .Sh NAME
@@ -294,7 +294,7 @@ locks will be used instead.
 .Pp
 The function
 .Fn knlist_init_mtx
-may be used to initalize a
+may be used to initialize a
 .Vt knlist
 when
 .Fa lock
diff --git a/share/man/man9/zone.9 b/share/man/man9/zone.9
index df7a3530e769..a77fd5bc9d36 100644
--- a/share/man/man9/zone.9
+++ b/share/man/man9/zone.9
@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd October 9, 2010
+.Dd February 25, 2012
 .Dt ZONE 9
 .Os
 .Sh NAME
@@ -210,7 +210,7 @@ The
 .Fn uma_zone_get_cur
 function returns the approximate current occupancy of the zone.
 The returned value is approximate because appropriate synchronisation to
-determine an exact value is not performend by the implementation.
+determine an exact value is not performed by the implementation.
 This ensures low overhead at the expense of potentially stale data being used
 in the calculation.
 .Sh RETURN VALUES
diff --git a/sys/boot/forth/menu.4th.8 b/sys/boot/forth/menu.4th.8
index dc00af83ffce..d5151ebc9ce0 100644
--- a/sys/boot/forth/menu.4th.8
+++ b/sys/boot/forth/menu.4th.8
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd Dec 27, 2011
+.Dd February 25, 2012
 .Dt MENU.4TH 8
 .Os
 .Sh NAME
@@ -90,7 +90,7 @@ causes the menu to be displayed in color wherever possible. This includes the
 use of ANSI bold for numbers appearing to the left of menuitems and the use of
 special
 .Dq Li ansi
-variables describd below.
+variables described below.
 .It Va autoboot_delay
 Number of seconds
 .Ic menu-display