diff --git a/sbin/devmatch/devmatch.8 b/sbin/devmatch/devmatch.8
index bf36c276c823..93d6437f18cf 100644
--- a/sbin/devmatch/devmatch.8
+++ b/sbin/devmatch/devmatch.8
@@ -69,6 +69,8 @@ Produce more verbose output.
 .Sh SEE ALSO
 .Xr devinfo 8 ,
 .Xr MODULE_PNP_INFO 9
+.Sh AUTHORS
+.An Warner Losh Aq Mt imp@FreeBSD.org
 .Sh BUGS
 The kernel has hints in it, but we exclude it from the list of modules
 to suggest for unmatched devices.
@@ -92,5 +94,3 @@ logical equivalent in USB, PCI, and others.
 .Pp
 Many drivers currently lack proper PNP table decorations and need to
 be updated.
-.Sh AUTHORS
-.An Warner Losh Aq Mt imp@FreeBSD.org
diff --git a/sbin/fsck/fsck.8 b/sbin/fsck/fsck.8
index 48bed813ba9d..998f3d2fc4f4 100644
--- a/sbin/fsck/fsck.8
+++ b/sbin/fsck/fsck.8
@@ -143,7 +143,7 @@ only if
 is compiled to support it.
 .It Fl f
 Force checking of file systems.
-Running 
+Running
 .Dq Li fsck -f
 ignores the journal and does a full
 consistency check of the disk so will find and fix the errors about which the
diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8
index e9fa2624dae7..701bc763a859 100644
--- a/sbin/ifconfig/ifconfig.8
+++ b/sbin/ifconfig/ifconfig.8
@@ -592,7 +592,7 @@ Note that this must be configured on a physical interface associated with
 not on a
 .Xr vlan 4
 interface itself.
-.It Fl vlanmtu , vlanhwtag, vlanhwfilter, vlanhwtso
+.It Fl vlanmtu , vlanhwtag , vlanhwfilter , vlanhwtso
 If the driver offers user-configurable VLAN support, disable
 reception of extended frames, tag processing in hardware,
 frame filtering in hardware, or TSO on VLAN,
diff --git a/sbin/mount_msdosfs/mount_msdosfs.8 b/sbin/mount_msdosfs/mount_msdosfs.8
index 2c3db364eaf8..ee9c6cfc225a 100644
--- a/sbin/mount_msdosfs/mount_msdosfs.8
+++ b/sbin/mount_msdosfs/mount_msdosfs.8
@@ -202,7 +202,7 @@ and first appeared in
 was renamed to the more aptly-named
 .Nm
 in
-.Fx 5.0.
+.Fx 5.0 .
 The character code conversion routine was added in 2003.
 .Sh AUTHORS
 Initial implementation as
diff --git a/usr.bin/chat/chat.8 b/usr.bin/chat/chat.8
index b130ee886fea..7a0649ceb238 100644
--- a/usr.bin/chat/chat.8
+++ b/usr.bin/chat/chat.8
@@ -291,7 +291,8 @@ The
 .Dv SAY
 strings could be used to give progress messages in sections of
 the script where you want to have 'ECHO OFF' but still let the user
-know what is happening.  An example is:
+know what is happening.
+An example is:
 .Bd -literal -offset indent
 ABORT BUSY
 ECHO OFF
diff --git a/usr.bin/du/du.1 b/usr.bin/du/du.1
index 1ec05b9cd1d7..9f325b76dc0e 100644
--- a/usr.bin/du/du.1
+++ b/usr.bin/du/du.1
@@ -63,7 +63,7 @@ Calculate block counts in
 .Ar blocksize
 byte blocks.
 This is different from the
-.Fl h, k, m,
+.Fl h , k , m ,
 .Fl Fl si
 and
 .Fl g
@@ -172,7 +172,7 @@ options override each other and the command's actions are determined
 by the last one specified.
 .Pp
 The
-.Fl h, k, m
+.Fl h , k , m
 and
 .Fl Fl si
 options all override each other; the last one specified determines
@@ -183,7 +183,7 @@ the block counts used.
 If the environment variable
 .Ev BLOCKSIZE
 is set, and the
-.Fl h, k, m
+.Fl h , k , m
 or
 .Fl Fl si
 options are not specified, the block counts will be displayed in units of
@@ -191,7 +191,7 @@ that block size.
 If
 .Ev BLOCKSIZE
 is not set, and the
-.Fl h, k, m
+.Fl h , k , m
 or
 .Fl Fl si
 options are not specified, the block counts will be displayed in 512-byte
diff --git a/usr.bin/setchannel/setchannel.1 b/usr.bin/setchannel/setchannel.1
index d0c865e04833..604b7e315541 100644
--- a/usr.bin/setchannel/setchannel.1
+++ b/usr.bin/setchannel/setchannel.1
@@ -61,8 +61,8 @@ Select svideo input.
 .It Fl t
 Select tuner.
 .It Fl g Cm geom
-Select geometry.  The first resolution is for NTSC, the second for
-PAL.
+Select geometry.
+The first resolution is for NTSC, the second for PAL.
 .Pp
   VCD:           352x240 or 352x288
   SVCD:          480x480 or 480x576
@@ -91,7 +91,8 @@ Frequency in MHz (must include decimal point).
 .Sh HISTORY
 The
 .Nm
-program first appeared in the -multimedia mailing-list in January 2004. The
+program first appeared in the -multimedia mailing-list in January 2004.
+The
 .Nm
 program first appeared in the FreeBSD Ports collection in October 2004.
 .Sh AUTHORS
diff --git a/usr.bin/tftp/tftp.1 b/usr.bin/tftp/tftp.1
index 7f413e2b1035..67f3c566d4a0 100644
--- a/usr.bin/tftp/tftp.1
+++ b/usr.bin/tftp/tftp.1
@@ -74,7 +74,8 @@ Shorthand for "mode binary"
 Sets the TFTP blksize option in TFTP Read Request or Write Request packets
 to
 .Ar [size]
-as specified in RFC 2348.  Valid values are between 8 and 65464.
+as specified in RFC 2348.
+Valid values are between 8 and 65464.
 If no blocksize is specified, then by default a blocksize of 512 bytes
 will be used.
 .Pp
@@ -82,8 +83,8 @@ will be used.
 Sets the TFTP blksize2 option in TFTP Read Request or Write Request packets
 to
 .Ar [size] .
-Values are restricted to powers of 2 between 8 and 32768.  This is a
-non-standard TFTP option.
+Values are restricted to powers of 2 between 8 and 32768.
+This is a non-standard TFTP option.
 .Pp
 .It Cm connect Ar host Op Ar port
 Set the
@@ -109,7 +110,8 @@ or
 commands.
 .Pp
 .It Cm debug Ar level
-Enable or disable debugging levels during verbose output.  The value of
+Enable or disable debugging levels during verbose output.
+The value of
 .Ar level
 can be one of
 .Cm packet , simple , options ,
@@ -156,7 +158,8 @@ The default is
 .It Cm packetdrop [arg]
 Randomly drop
 .Ar arg
-out of 100 packets during a transfer.  This is a debugging feature.
+out of 100 packets during a transfer.
+This is a debugging feature.
 .Pp
 .It Cm put Ar file Op Oo Ar host : Oc Ns Ar remotename
 .It Cm put Ar file1 file2 ... fileN Op Oo Ar host : Oc Ns Ar remote-directory
@@ -178,7 +181,8 @@ see the example under the
 command.
 .Pp
 .It Cm options Ar [arg]
-Enable or disable support for TFTP options.  The valid values of
+Enable or disable support for TFTP options.
+The valid values of
 .Ar arg
 are
 .Cm on
@@ -198,8 +202,8 @@ Set the per-packet retransmission timeout, in seconds.
 .Pp
 .It Cm rollover [arg]
 Specify the rollover option in TFTP Read Request or Write
-Request packets.  After 65535 packets have been transmitted, set the block
-counter to
+Request packets.
+After 65535 packets have been transmitted, set the block counter to
 .Ar arg .
 Valid values of
 .Ar arg
diff --git a/usr.sbin/ctladm/ctladm.8 b/usr.sbin/ctladm/ctladm.8
index 7bb353c60522..cd478635753f 100644
--- a/usr.sbin/ctladm/ctladm.8
+++ b/usr.sbin/ctladm/ctladm.8
@@ -233,8 +233,8 @@ utility take the following optional arguments:
 .It Fl C Ar retries
 Specify the number of times to retry a command in the event of failure.
 .It Fl D Ar device
-Specify the device to open.  This allows opening a device other than the
-default device,
+Specify the device to open.
+This allows opening a device other than the default device,
 .Pa /dev/cam/ctl ,
 to be opened for sending commands.
 .It Fl I Ar id
@@ -272,29 +272,31 @@ READ command to the device, and write the requested data to a file or
 stdout.
 .Bl -tag -width 12n
 .It Fl l Ar lba
-Specify the starting Logical Block Address for the READ.  This can be
-specified in decimal, octal (starting with 0), hexadecimal (starting with
-0x) or any other base supported by
+Specify the starting Logical Block Address for the READ.
+This can be specified in decimal, octal (starting with 0),
+hexadecimal (starting with 0x) or any other base supported by
 .Xr strtoull 3 .
 .It Fl d Ar datalen
 Specify the length, in 512 byte blocks, of the READ request.
 .It Fl f Ar file
-Specify the destination for the data read by the READ command.  Either a
-filename or
+Specify the destination for the data read by the READ command.
+Either a filename or
 .Sq -
 for stdout may be specified.
 .It Fl c Ar cdbsize
 Specify the minimum
 .Tn SCSI
-CDB (Command Data Block) size to be used for the READ request.  Allowable
-values are 6, 10, 12 and 16.  Depending upon the LBA and amount of data
-requested, a larger CDB size may be used to satisfy the request.  (e.g.,
-for LBAs above 0xffffffff, READ(16) must be used to satisfy the request.)
+CDB (Command Data Block) size to be used for the READ request.
+Allowable values are 6, 10, 12 and 16.
+Depending upon the LBA and amount of data requested, a larger CDB
+size may be used to satisfy the request.  (e.g., for LBAs above 0xffffffff,
+READ(16) must be used to satisfy the request.)
 .It Fl b Ar blocksize
 Specify the blocksize of the underlying
 .Tn SCSI
 device, so the transfer length
-can be calculated accurately.  The blocksize can be obtained via the
+can be calculated accurately.
+The blocksize can be obtained via the
 .Tn SCSI
 READ CAPACITY command.
 .It Fl N
@@ -310,29 +312,31 @@ Read data from a file or stdin, and write the data to the device using the
 WRITE command.
 .Bl -tag -width 12n
 .It Fl l Ar lba
-Specify the starting Logical Block Address for the WRITE.  This can be
-specified in decimal, octal (starting with 0), hexadecimal (starting with
-0x) or any other base supported by
+Specify the starting Logical Block Address for the WRITE.
+This can be specified in decimal, octal (starting with 0), hexadecimal
+(starting with 0x) or any other base supported by
 .Xr strtoull 3 .
 .It Fl d Ar atalen
 Specify the length, in 512 byte blocks, of the WRITE request.
 .It Fl f Ar file
-Specify the source for the data to be written by the WRITE command.  Either a
-filename or
+Specify the source for the data to be written by the WRITE command.
+Either a filename or
 .Sq -
 for stdin may be specified.
 .It Fl c Ar cdbsize
 Specify the minimum
 .Tn SCSI
-CDB (Command Data Block) size to be used for the READ request.  Allowable
-values are 6, 10, 12 and 16.  Depending upon the LBA and amount of data
-requested, a larger CDB size may be used to satisfy the request.  (e.g.,
-for LBAs above 0xffffffff, READ(16) must be used to satisfy the request.)
+CDB (Command Data Block) size to be used for the READ request.
+Allowable values are 6, 10, 12 and 16.
+Depending upon the LBA and amount of data requested, a larger CDB size
+may be used to satisfy the request.  (e.g., for LBAs above 0xffffffff, READ(16)
+must be used to satisfy the request.)
 .It Fl b Ar blocksize
 Specify the blocksize of the underlying
 .Tn SCSI
 device, so the transfer length
-can be calculated accurately.  The blocksize can be obtained via the
+can be calculated accurately.
+The blocksize can be obtained via the
 .Tn SCSI
 READ CAPACITY command.
 .It Fl N
@@ -346,18 +350,20 @@ This is to be used for performance testing.
 Send the
 .Tn SCSI
 READ CAPACITY command to the device and display the device size and device
-block size.  By default, READ CAPACITY(10) is
-used.  If the device returns a maximum LBA of 0xffffffff, however,
+block size.
+By default, READ CAPACITY(10) is used.
+If the device returns a maximum LBA of 0xffffffff, however,
 .Nm
 will automatically issue a READ CAPACITY(16), which is implemented as a
-service action of the SERVICE ACTION IN(16) opcode.  The user can specify
-the minimum CDB size with the
+service action of the SERVICE ACTION IN(16) opcode.
+The user can specify the minimum CDB size with the
 .Fl c
-argument.  Valid values for the
+argument.
+Valid values for the
 .Fl c
-option are 10 and 16.  If a 10 byte CDB is specified, the request will be
-automatically reissued with a 16 byte CDB if the maximum LBA returned is
-0xffffffff.
+option are 10 and 16.
+If a 10 byte CDB is specified, the request will be automatically reissued
+with a 16 byte CDB if the maximum LBA returned is 0xffffffff.
 .It Ic modesense
 Send a
 .Tn SCSI
@@ -365,17 +371,21 @@ MODE SENSE command to the device, and display the requested mode page(s) or
 page list.
 .Bl -tag -width 10n
 .It Fl m Ar page
-Specify the mode page to display.  This option and the
+Specify the mode page to display.
+This option and the
 .Fl l
-option are mutually exclusive.  One of the two must be specified, though.
+option are mutually exclusive.
+One of the two must be specified, though.
 Mode page numbers may be specified in decimal or hexadecimal.
 .It Fl l
 Request that the list of mode pages supported by the device be returned.
 This option and the
 .Fl m
-option are mutually exclusive.  One of the two must be specified, though.
+option are mutually exclusive.
+One of the two must be specified, though.
 .It Fl P Ar pc
-Specify the mode page control value.  Possible values are:
+Specify the mode page control value.
+Possible values are:
 .Bl -tag -width 2n -compact
 .It 0
 Current values.
@@ -391,8 +401,8 @@ Disable block descriptors when sending the mode sense request.
 .It Fl S Ar subpage
 Specify the subpage used with the mode sense request.
 .It Fl c Ar cdbsize
-Specify the CDB size used for the mode sense request.  Supported values are
-6 and 10.
+Specify the CDB size used for the mode sense request.
+Supported values are 6 and 10.
 .El
 .It Ic start
 Send the
@@ -401,54 +411,56 @@ START STOP UNIT command to the specified LUN with the start
 bit set.
 .Bl -tag -width 4n
 .It Fl i
-Set the immediate bit in the CDB.  Note that CTL does not support the
-immediate bit, so this is primarily useful for making sure that CTL returns
-the proper error.
+Set the immediate bit in the CDB.
+Note that CTL does not support the immediate bit, so this is primarily
+useful for making sure that CTL returns the proper error.
 .El
 .It Ic stop
 Send the
 .Tn SCSI
 START STOP UNIT command to the specified LUN with the start
-bit cleared.  We use an ordered tag to stop the LUN, so we can guarantee
-that all pending I/O executes before it is stopped.  (CTL guarantees this
-anyway, but
+bit cleared.
+We use an ordered tag to stop the LUN, so we can guarantee that all pending
+I/O executes before it is stopped.
+(CTL guarantees this anyway, but
 .Nm
 sends an ordered tag for completeness.)
 .Bl -tag -width 4n
 .It Fl i
-Set the immediate bit in the CDB.  Note that CTL does not support the
-immediate bit, so this is primarily useful for making sure that CTL returns
-the proper error.
+Set the immediate bit in the CDB.
+Note that CTL does not support the immediate bit, so this is primarily
+useful for making sure that CTL returns the proper error.
 .El
 .It Ic synccache
 Send the
 .Tn SCSI
-SYNCHRONIZE CACHE command to the device.  By default, SYNCHRONIZE
-CACHE(10) is used.  If the specified starting LBA is greater than
-0xffffffff or the length is greater than 0xffff, though,
-SYNCHRONIZE CACHE(16) will be used.  The 16 byte command will also be used
-if the user specifies a 16 byte CDB with the
+SYNCHRONIZE CACHE command to the device.
+By default, SYNCHRONIZE CACHE(10) is used.
+If the specified starting LBA is greater than 0xffffffff or the length is
+greater than 0xffff, though, SYNCHRONIZE CACHE(16) will be used.
+The 16 byte command will also be used if the user specifies a 16 byte CDB with the
 .Fl c
 argument.
 .Bl -tag -width 14n
 .It Fl l Ar lba
-Specify the starting LBA of the cache region to synchronize.  This option is a
-no-op for CTL.  If you send a SYNCHRONIZE CACHE command, it will sync the
-cache for the entire LUN.
+Specify the starting LBA of the cache region to synchronize.
+This option is a no-op for CTL.
+If you send a SYNCHRONIZE CACHE command, it will sync the cache for the entire LUN.
 .It Fl b Ar blockcount
-Specify the length of the cache region to synchronize.  This option is a
-no-op for CTL.  If you send a SYNCHRONIZE CACHE command, it will sync the
-cache for the entire LUN.
+Specify the length of the cache region to synchronize.
+This option is a no-op for CTL.
+If you send a SYNCHRONIZE CACHE command, it will sync the cache for the entire LUN.
 .It Fl r
-Specify relative addressing for the starting LBA.  CTL does not support
-relative addressing, since it only works for linked commands, and CTL
-does not support linked commands.
+Specify relative addressing for the starting LBA.
+CTL does not support relative addressing, since it only works for linked commands,
+and CTL does not support linked commands.
 .It Fl i
 Tell the target to return status immediately after issuing the SYNCHRONIZE CACHE
-command rather than waiting for the cache to finish syncing.  CTL does not
-support this bit.
+command rather than waiting for the cache to finish syncing.
+CTL does not support this bit.
 .It Fl c Ar cdbsize
-Specify the minimum CDB size.  Valid values are 10 and 16 bytes.
+Specify the minimum CDB size.
+Valid values are 10 and 16 bytes.
 .El
 .It Ic lunlist
 List all LUNs registered with CTL.
@@ -457,14 +469,15 @@ Because this command uses the ioctl port, it will only work when the FETDs
 This command is the equivalent of doing a REPORT LUNS on one LUN and then
 an INQUIRY on each LUN in the system.
 .It Ic delay
-Delay commands at the given location.  There are two places where commands
-may be delayed currently: before data is transferred
+Delay commands at the given location.
+There are two places where commands may be delayed currently: before data is transferred
 .Pq Dq datamove
 and just prior to sending status to the host
 .Pq Dq done .
 One of the two must be supplied as an argument to the
 .Fl l
-option.  The
+option.
+The
 .Fl t
 option must also be specified.
 .Bl -tag -width 12n
@@ -473,9 +486,10 @@ Delay command(s) at the specified location.
 This can either be at the data movement stage (datamove) or prior to
 command completion (done).
 .It Fl t Ar delaytime
-Delay command(s) for the specified number of seconds.  This must be
-specified.  If set to 0, it will clear out any previously set delay for
-this particular location (datamove or done).
+Delay command(s) for the specified number of seconds.
+This must be specified.
+If set to 0, it will clear out any previously set delay for this particular
+location (datamove or done).
 .It Fl T Ar delaytype
 Specify the delay type.
 By default, the
@@ -898,11 +912,12 @@ as write protected.
 Set to "on", makes LUN removable.
 .It Va reordering
 Set to "unrestricted", allows target to process commands with SIMPLE task
-attribute in arbitrary order.  Any data integrity exposures related to
-command sequence order shall be explicitly handled by the application
-client through the selection of appropriate commands and task attributes.
-The default value is "restricted".  It improves data integrity, but may
-introduce some additional delays.
+attribute in arbitrary order.
+Any data integrity exposures related to command sequence order shall be
+explicitly handled by the application client through the selection of
+appropriate commands and task attributes.
+The default value is "restricted".
+It improves data integrity, but may introduce some additional delays.
 .It Va serseq
 Set to "on" to serialize consecutive reads/writes.
 Set to "read" to serialize consecutive reads.
diff --git a/usr.sbin/extattrctl/extattrctl.8 b/usr.sbin/extattrctl/extattrctl.8
index c5850ab4ef19..9492f7abb549 100644
--- a/usr.sbin/extattrctl/extattrctl.8
+++ b/usr.sbin/extattrctl/extattrctl.8
@@ -178,4 +178,4 @@ and introduced in
 It was developed to support security extensions requiring additional labels
 to be associated with each file or directory.
 .Sh AUTHORS
-Robert N M Watson
+.An Robert N M Watson
diff --git a/usr.sbin/i2c/i2c.8 b/usr.sbin/i2c/i2c.8
index e93b06f6c9c2..7e6fe0e7bd49 100644
--- a/usr.sbin/i2c/i2c.8
+++ b/usr.sbin/i2c/i2c.8
@@ -55,8 +55,8 @@
 The
 .Nm
 utility can be used to perform raw data transfers (read or write) with devices
-on the I2C bus. It can also scan the bus for available devices and reset the
-I2C controller.
+on the I2C bus.
+It can also scan the bus for available devices and reset the I2C controller.
 .Pp
 The options are as follows:
 .Bl -tag -width ".Fl d Ar direction"
@@ -124,10 +124,10 @@ Zero means that the offset is ignored and not passed to the slave at all.
 .Sh WARNINGS
 Great care must be taken when manipulating slave I2C devices with the
 .Nm
-utility. Often times important configuration data for the system is kept in
-non-volatile but write enabled memories located on the I2C bus, for example
-Ethernet hardware addresses, RAM module parameters (SPD), processor reset
-configuration word etc.
+utility.
+Often times important configuration data for the system is kept in non-volatile
+but write enabled memories located on the I2C bus, for example Ethernet hardware
+addresses, RAM module parameters (SPD), processor reset configuration word etc.
 .Pp
 It is very easy to render the whole system unusable when such configuration
 data is deleted or altered, so use the
@@ -135,13 +135,14 @@ data is deleted or altered, so use the
 (write) command only if you know exactly what you are doing.
 .Pp
 Also avoid ungraceful interrupting of an ongoing transaction on the I2C bus,
-as it can lead to potentially dangerous effects. Consider the following
-scenario: when the host CPU is reset (for whatever reason) in the middle of a
-started I2C transaction, the I2C slave device could be left in write mode
-waiting for data or offset to arrive. When the CPU reinitializes itself and
-talks to this I2C slave device again, the commands and other control info it
-sends are treated by the slave device as data or offset it was waiting for,
-and there's great potential for corruption if such a write is performed.
+as it can lead to potentially dangerous effects.
+Consider the following scenario: when the host CPU is reset (for whatever reason)
+in the middle of a started I2C transaction, the I2C slave device could be left
+in write mode waiting for data or offset to arrive.
+When the CPU reinitializes itself and talks to this I2C slave device again,
+the commands and other control info it sends are treated by the slave device
+as data or offset it was waiting for, and there's great potential for
+corruption if such a write is performed.
 .Sh EXAMPLES
 .Bl -bullet
 .It
diff --git a/usr.sbin/mountd/exports.5 b/usr.sbin/mountd/exports.5
index 1fe5548cda8c..0a978e791c7d 100644
--- a/usr.sbin/mountd/exports.5
+++ b/usr.sbin/mountd/exports.5
@@ -28,7 +28,7 @@
 .\"     @(#)exports.5	8.3 (Berkeley) 3/29/95
 .\" $FreeBSD$
 .\"
-.Dd Feb 11, 2019
+.Dd February 11, 2019
 .Dt EXPORTS 5
 .Os
 .Sh NAME
@@ -316,9 +316,10 @@ There can only be one NFSv4 root directory per server.
 As such, all entries of this form must specify the same directory path.
 For file systems other than ZFS,
 this location can be any directory and does not
-need to be within an exported file system. If it is not in an exported
-file system, a very limited set of operations are permitted, so that an
-NFSv4 client can traverse the tree to an exported file system.
+need to be within an exported file system.
+If it is not in an exported file system, a very limited set of operations
+are permitted, so that an NFSv4 client can traverse the tree to an
+exported file system.
 Although parts of the NFSv4 tree can be non-exported, the entire NFSv4 tree
 must consist of local file systems capable of being exported via NFS.
 All ZFS file systems in the subtree below the NFSv4 tree root must be
@@ -330,10 +331,11 @@ mount points.
 The
 .Fl sec
 option on these line(s) specifies what security flavors may be used for
-NFSv4 operations that do not use file handles. Since these operations
-(SetClientID, SetClientIDConfirm, Renew, DelegPurge and ReleaseLockOnwer)
-allocate/modify state in the server, it is possible to restrict some clients to
-the use of the krb5[ip] security flavors, via this option.
+NFSv4 operations that do not use file handles.
+Since these operations (SetClientID, SetClientIDConfirm, Renew, DelegPurge
+and ReleaseLockOnwer) allocate/modify state in the server, it is possible
+to restrict some clients to the use of the krb5[ip] security flavors,
+via this option.
 See the
 .Sx EXAMPLES
 section below.
@@ -507,12 +509,13 @@ V4: /wingsdl/nfsv4
 .Ed
 .Pp
 Only one V4: line is needed or allowed to declare where NFSv4 is
-rooted.  The other lines declare specific exported directories with
+rooted.
+The other lines declare specific exported directories with
 their absolute paths given in /etc/exports.
 .Pp
 The exported directories' paths are used for both v3 and v4.
-However, they are interpreted differently for v3 and v4.  A client
-mount command for usr-ports would use the server-absolute name when
+However, they are interpreted differently for v3 and v4.
+A client mount command for usr-ports would use the server-absolute name when
 using nfsv3:
 .Bd -literal -offset indent
 mount server:/wingsdl/nfsv4/usr-ports /mnt/tmp
@@ -525,8 +528,9 @@ mount server:/usr-ports /mnt/tmp
 .Ed
 .Pp
 This also differentiates which version you want if the client can do
-both v3 and v4.  The former will only ever do a v3 mount and the
-latter will only ever do a v4 mount.
+both v3 and v4.
+The former will only ever do a v3 mount and the latter will only ever
+do a v4 mount.
 .Pp
 Note that due to different mount behavior between NFSv3 and NFSv4 a
 NFSv4 mount request for a directory that the client does not have
diff --git a/usr.sbin/nfsuserd/nfsuserd.8 b/usr.sbin/nfsuserd/nfsuserd.8
index c4f0cafb3e8a..06b116a45387 100644
--- a/usr.sbin/nfsuserd/nfsuserd.8
+++ b/usr.sbin/nfsuserd/nfsuserd.8
@@ -53,11 +53,12 @@ owner and owner_group strings.
 It also provides support for manage-gids and must be running on the server if
 this is being used for any version of NFS.
 .Pp
-Upon startup, it loads the machines DNS domain name, plus timeout and
-cache size limit into the kernel. It then preloads the cache with group
-and user information, up to the cache size limit and forks off N children
-(default 4), that service requests from the kernel for cache misses. The
-master server is there for the sole purpose of killing off the slaves.
+Upon startup, it loads the machines DNS domain name, plus timeout and cache size
+limit into the kernel.
+It then preloads the cache with group and user information, up to the cache size
+limit and forks off N children (default 4), that service requests from the kernel
+for cache misses.
+The master server is there for the sole purpose of killing off the slaves.
 To stop the nfsuserd, send a SIGUSR1 to the master server.
 .Pp
 The following options are available:
@@ -72,13 +73,14 @@ reported by
 Overrides the default timeout for cache entries, in minutes.
 The longer the
 time out, the better the performance, but the longer it takes for replaced
-entries to be seen. If your user/group database management system almost
-never re-uses the same names or id numbers, a large timeout is recommended.
+entries to be seen.
+If your user/group database management system almost never re-uses the same names
+or id numbers, a large timeout is recommended.
 The default is 1 minute.
 .It Fl usermax Ar max_cache_size
-Overrides the default upper bound on the cache size. The larger the cache,
-the more kernel memory is used, but the better the performance. If your
-system can afford the memory use, make this the sum of the number of
+Overrides the default upper bound on the cache size.
+The larger the cache, the more kernel memory is used, but the better the performance.
+If your system can afford the memory use, make this the sum of the number of
 entries in your group and password databases.
 The default is 200 entries.
 .It Fl verbose
@@ -98,12 +100,13 @@ on the server instead of the list of groups provided in the RPC authenticator.
 This can be used to avoid the 16 group limit for AUTH_SYS.
 .It Ar num_servers
 Specifies how many servers to create (max 20).
-The default of 4 may be sufficient. You should run enough servers, so that
+The default of 4 may be sufficient.
+You should run enough servers, so that
 .Xr ps 1
 shows almost no running time for one or two of the slaves after the system
-has been running for a long period. Running too few will have a major
-performance impact, whereas running too many will only tie up some resources,
-such as a process table entry and swap space.
+has been running for a long period.
+Running too few will have a major performance impact, whereas running too many
+will only tie up some resources, such as a process table entry and swap space.
 .El
 .Sh SEE ALSO
 .Xr getgrent 3 ,
@@ -126,7 +129,8 @@ use
 and
 .Xr getpwent 3
 library calls to resolve requests and will hang if the servers handling
-those requests fail and the library functions don't return. See
+those requests fail and the library functions don't return.
+See
 .Xr group 5
 and
 .Xr passwd 5
diff --git a/usr.sbin/pmcstudy/pmcstudy.8 b/usr.sbin/pmcstudy/pmcstudy.8
index 34d76b1de80c..1e7d8c44cf9b 100644
--- a/usr.sbin/pmcstudy/pmcstudy.8
+++ b/usr.sbin/pmcstudy/pmcstudy.8
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd Mar 26, 2015
+.Dd March 26, 2015
 .Dt PMCSTUDY 8
 .Os
 .Sh NAME
@@ -140,6 +140,6 @@ Run all canned tests.
 The
 .Nm
 utility first appeared in
-.Fx 11.0.
+.Fx 11.0 .
 .Sh AUTHORS
 .An Randall Stewart Aq Mt rrs@FreeBSD.org
diff --git a/usr.sbin/traceroute6/traceroute6.8 b/usr.sbin/traceroute6/traceroute6.8
index 5166472f6e75..ce6cc78df657 100644
--- a/usr.sbin/traceroute6/traceroute6.8
+++ b/usr.sbin/traceroute6/traceroute6.8
@@ -99,7 +99,8 @@ Debug mode.
 .It Fl f Ar firsthop
 Specify how many hops to skip in trace.
 .It Fl g Ar gateway
-Specify intermediate gateway. Please note that
+Specify intermediate gateway.
+Please note that
 .Nm
 tries to use routing headers.
 .It Fl I
@@ -150,7 +151,8 @@ The size of probe packets must be a multiple of 4.
 If
 .Ar datalen
 is up to 28, probe packets consist of a SHUTDOWN-ACK chunk possibly bundled
-with a PAD chunk. For larger probe packets, an INIT chunk is used.
+with a PAD chunk.
+For larger probe packets, an INIT chunk is used.
 .It Fl t Ar tclass
 .Ar tclass
 specifies the