diff --git a/sbin/camcontrol/camcontrol.8 b/sbin/camcontrol/camcontrol.8
index 9c749b4d6302..7a13aa408220 100644
--- a/sbin/camcontrol/camcontrol.8
+++ b/sbin/camcontrol/camcontrol.8
@@ -376,7 +376,7 @@ There are a couple of options to modify the output:
 .It Fl c
 Just print out a count of LUNs, not the actual LUN numbers.
 .It Fl l
-Just print out the LUNs, and don't print out the count.
+Just print out the LUNs, and do not print out the count.
 .It Fl r Ar reporttype
 Specify the type of report to request from the target:
 .Bl -tag -width 012345678
diff --git a/sbin/kldload/kldload.8 b/sbin/kldload/kldload.8
index b039edf9ad98..ee913ed638a1 100644
--- a/sbin/kldload/kldload.8
+++ b/sbin/kldload/kldload.8
@@ -63,7 +63,7 @@ in the current directory.
 The following options are available:
 .Bl -tag -width indent
 .It Fl n
-Don't try to load module if already loaded.
+Do not try to load module if already loaded.
 .It Fl v
 Be more verbose.
 .It Fl q
diff --git a/sbin/newfs/newfs.8 b/sbin/newfs/newfs.8
index f40b607eea24..51cc8336bea2 100644
--- a/sbin/newfs/newfs.8
+++ b/sbin/newfs/newfs.8
@@ -226,7 +226,7 @@ See
 for more details on how to set this option.
 .It Fl p Ar partition
 The partition name (a..h) you want to use in case the underlying image
-is a file, so you don't have access to individual partitions through the
+is a file, so you do not have access to individual partitions through the
 filesystem.
 Can also be used with a device, e.g.
 .Nm
diff --git a/share/man/man3/fpgetround.3 b/share/man/man3/fpgetround.3
index 189e252aa2dd..fff26cf8d711 100644
--- a/share/man/man3/fpgetround.3
+++ b/share/man/man3/fpgetround.3
@@ -164,7 +164,7 @@ and
 .Fn fpsetprec
 functions provide functionality unavailable on many platforms.
 At present, they are implemented only on the i386 and amd64 platforms.
-Changing precision isn't a supported feature:
+Changing precision is not a supported feature:
 it may be ineffective when code is compiled to take advantage of SSE,
 and many library functions and compiler optimizations depend upon the
 default precision for correct behavior.
diff --git a/share/man/man4/ng_tag.4 b/share/man/man4/ng_tag.4
index e025a2669575..70bd23470259 100644
--- a/share/man/man4/ng_tag.4
+++ b/share/man/man4/ng_tag.4
@@ -284,7 +284,7 @@ ngctl msg ngdc: sethookout { thisHook=\e"th1\e" \e
   tag_id=412 }
 .Ed
 .Pp
-Don't forget to program
+Do not forget to program
 .Xr ng_bpf 4
 .Dq Li ipfw
 hook with the above expression (see
diff --git a/share/man/man4/sdhci.4 b/share/man/man4/sdhci.4
index e9729a1e46e2..6adfd81a3823 100644
--- a/share/man/man4/sdhci.4
+++ b/share/man/man4/sdhci.4
@@ -85,4 +85,4 @@ TI PCIXX21/XX11
 Many of existing SD controller chips have some nonstandard requirements,
 proprietary registers and hardware bugs, requiring additional handling.
 ENE chips are handled to work fine, while some revisions of RICOH and TI
-controllers still don't see cards without some additional initialization.
+controllers still do not see cards without some additional initialization.
diff --git a/share/man/man9/locking.9 b/share/man/man9/locking.9
index a8cf391d53d4..b16bcc3c6562 100644
--- a/share/man/man9/locking.9
+++ b/share/man/man9/locking.9
@@ -128,7 +128,7 @@ between them is that shared/exclusive locks may be held during unbounded sleep
 (and may thus perform an unbounded sleep).
 They are inherently less efficient than mutexes, reader/writer locks
 and read-mostly locks.
-They don't support priority propagation.
+They do not support priority propagation.
 They should be considered to be closely related to
 .Xr sleep 9 .
 They could in some cases be
@@ -250,7 +250,7 @@ Shared/exclusive locks, used mostly in
 in particular as a
 .Xr vnode 9
 lock.
-They have features other lock types don't have, such as sleep timeout,
+They have features other lock types do not have, such as sleep timeout,
 writer starvation avoidance, draining, and interlock mutex, but this makes them
 complicated to implement; for this reason, they are deprecated.
 .Pp
diff --git a/share/man/man9/zone.9 b/share/man/man9/zone.9
index d7eebe47af76..4199268ae7a2 100644
--- a/share/man/man9/zone.9
+++ b/share/man/man9/zone.9
@@ -187,7 +187,7 @@ The zone will have its
 .Ft uma_init
 method set to internal method that initializes a new allocated slab
 to all zeros.
-Don't mistake
+Do not mistake
 .Ft uma_init
 method with
 .Ft uma_ctor .
diff --git a/usr.bin/patch/patch.1 b/usr.bin/patch/patch.1
index 312b8a279440..587b166eb10e 100644
--- a/usr.bin/patch/patch.1
+++ b/usr.bin/patch/patch.1
@@ -162,7 +162,7 @@ Forces
 to assume that the user knows exactly what he or she is doing, and to not
 ask any questions.
 It assumes the following:
-skip patches for which a file to patch can't be found;
+skip patches for which a file to patch cannot be found;
 patch files even though they have the wrong version for the
 .Qq Prereq:
 line in the patch;
@@ -261,7 +261,7 @@ will reverse the hunk to see if it can be applied that way.
 If it can, you will be asked if you want to have the
 .Fl R
 option set.
-If it can't, the patch will continue to be applied normally.
+If it cannot, the patch will continue to be applied normally.
 (Note: this method cannot detect a reversed patch if it is a normal diff
 and if the first command is an append (i.e. it should have been a delete)
 since appends always succeed, due to the fact that a null context will match
@@ -285,7 +285,7 @@ do its work silently, unless an error occurs.
 Similar to
 .Fl f ,
 in that it suppresses questions, but makes some different assumptions:
-skip patches for which a file to patch can't be found (the same as
+skip patches for which a file to patch cannot be found (the same as
 .Fl f ) ;
 skip patches for which the file has the wrong version for the
 .Qq Prereq:
@@ -552,10 +552,10 @@ file which is patched to increment the patch level as the first diff in the
 patch file you send out.
 If you put a
 .Qq Prereq:
-line in with the patch, it won't let them apply
+line in with the patch, it will not let them apply
 patches out of order without some warning.
 .Pp
-Second, make sure you've specified the file names right, either in a
+Second, make sure you have specified the file names right, either in a
 context diff header, or with an
 .Qq Index:
 line.
@@ -566,7 +566,7 @@ option as needed.
 .Pp
 Third, you can create a file by sending out a diff that compares a
 null file to the file you want to create.
-This will only work if the file you want to create doesn't exist already in
+This will only work if the file you want to create does not exist already in
 the target directory.
 .Pp
 Fourth, take care not to send out reversed patches, since it makes people wonder
@@ -620,7 +620,7 @@ An error occurred.
 .El
 .Pp
 When applying a set of patches in a loop it behooves you to check this
-exit status so you don't apply a later patch to a partially patched file.
+exit status so you do not apply a later patch to a partially patched file.
 .Sh DIAGNOSTICS
 Too many to list here, but generally indicative that
 .Nm
@@ -694,7 +694,7 @@ If code has been duplicated (for instance with #ifdef OLDCODE ... #else ...
 is incapable of patching both versions, and, if it works at all, will likely
 patch the wrong one, and tell you that it succeeded to boot.
 .Pp
-If you apply a patch you've already applied,
+If you apply a patch you have already applied,
 .Nm
 will think it is a reversed patch, and offer to un-apply the patch.
 This could be construed as a feature.
diff --git a/usr.sbin/bluetooth/l2ping/l2ping.8 b/usr.sbin/bluetooth/l2ping/l2ping.8
index 703b0bd5fa2e..73774eccf339 100644
--- a/usr.sbin/bluetooth/l2ping/l2ping.8
+++ b/usr.sbin/bluetooth/l2ping/l2ping.8
@@ -63,7 +63,7 @@ If this option is not specified,
 .Nm
 will operate until interrupted.
 .It Fl f
-Don't wait between sending each packet.
+Do not wait between sending each packet.
 .It Fl h
 Display usage message and exit.
 .It Fl i Ar wait
diff --git a/usr.sbin/ctladm/ctladm.8 b/usr.sbin/ctladm/ctladm.8
index 0bec0917ac09..68e79ff9816b 100644
--- a/usr.sbin/ctladm/ctladm.8
+++ b/usr.sbin/ctladm/ctladm.8
@@ -487,7 +487,7 @@ 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
-doesn't support linked commands.
+does not support linked commands.
 .It Fl i
 Tell the target to return status immediately after issuing the SYHCHRONIZE CACHE
 command rather than waiting for the cache to finish syncing.  CTL does not
diff --git a/usr.sbin/makefs/makefs.8 b/usr.sbin/makefs/makefs.8
index 81bf3341b655..4d81e458b2e1 100644
--- a/usr.sbin/makefs/makefs.8
+++ b/usr.sbin/makefs/makefs.8
@@ -325,7 +325,7 @@ Load a generic boot image into the first 32K of the cd9660 image.
 .It Sy hard-disk-boot
 Boot image is a hard disk image.
 .It Sy keep-bad-images
-Don't throw away images whose write was aborted due to an error.
+Do not throw away images whose write was aborted due to an error.
 For debugging purposes.
 .It Sy label
 Label name of the image.
diff --git a/usr.sbin/mptutil/mptutil.8 b/usr.sbin/mptutil/mptutil.8
index bd76ce80f304..e8b617ffbcaf 100644
--- a/usr.sbin/mptutil/mptutil.8
+++ b/usr.sbin/mptutil/mptutil.8
@@ -196,7 +196,7 @@ If any hot spare drives are configured, then they are listed as well.
 Lists all of the physical drives attached to the controller.
 .It Cm show events
 Display all the entries from the controller's event log.
-Due to lack of documentation this command isn't very useful currently and
+Due to lack of documentation this command is not very useful currently and
 just dumps each log entry in hex.
 .It Cm show volumes
 Lists all of the logical volumes managed by the controller.
@@ -388,7 +388,7 @@ The mpt version 1 API that is used by
 .Nm
 and
 .Xr mpt 4
-doesn't support volumes above two terabytes.
+does not support volumes above two terabytes.
 This is a limitation of the API.
 If you are using this adapter with volumes larger than two terabytes, use the adapter in JBOD mode.
 Utilize
diff --git a/usr.sbin/services_mkdb/services_mkdb.8 b/usr.sbin/services_mkdb/services_mkdb.8
index ff74261bc28e..834423a25ec2 100644
--- a/usr.sbin/services_mkdb/services_mkdb.8
+++ b/usr.sbin/services_mkdb/services_mkdb.8
@@ -64,7 +64,7 @@ The options are as follows:
 .It Fl o Ar database
 Put the output databases in the named file.
 .It Fl q
-Don't warn about duplicate services.
+Do not warn about duplicate services.
 .It Fl u
 Print the services file to stdout, omitting duplicate entries and comments.
 .El