diff --git a/share/man/man9/cr_seeothergids.9 b/share/man/man9/cr_seeothergids.9
index 2951b313fbba..1f5f4ee05dba 100644
--- a/share/man/man9/cr_seeothergids.9
+++ b/share/man/man9/cr_seeothergids.9
@@ -26,9 +26,10 @@
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
 .\" $FreeBSD$
+.\"
 .Dd November 11, 2003
 .Os
-.Dt cr_seeothergids 9
+.Dt CR_SEEOTHERGIDS 9
 .Sh NAME
 .Nm cr_seeothergids
 .Nd determine visibility of objects given their group memberships
@@ -37,7 +38,7 @@
 .Fn cr_seeothergids "struct ucred *u1" "struct ucred *u2"
 .Sh DESCRIPTION
 This function determines the visibility of objects in the
-kernel based on the group ids in the credentials
+kernel based on the group IDs in the credentials
 .Fa u1
 and
 .Fa u2
@@ -45,11 +46,11 @@ associated with them.
 .Pp
 The visibility of objects is influenced by the
 .Xr sysctl 8
-tunable
+variable
 .Va security.bsd.see_other_gids .
-If this tunable is non-zero, then all objects in the kernel
+If this variable is non-zero then all objects in the kernel
 are visible to each other irrespective of their group membership.
-If this tunable is zero, then the object with credentials
+If this variable is zero then the object with credentials
 .Fa u2
 is visible to the object with credentials
 .Fa u1
@@ -57,13 +58,13 @@ if either
 .Fa u1
 is the super-user credential, or if at least one of
 .Fa u1 Ns 's
-group ids is present in
+group IDs is present in
 .Fa u2 Ns 's
 group set.
-.Sh SYSCTL TUNABLES
+.Sh SYSCTL VARIABLES
 .Bl -tag -width indent
 .It Va security.bsd.see_other_gids
-must be non-zero if objects with unprivileged credentials are to be
+Must be non-zero if objects with unprivileged credentials are to be
 able to see each other.
 .El
 .Sh RETURN VALUES
@@ -78,4 +79,4 @@ or
 otherwise.
 .Sh SEE ALSO
 .Xr cr_seeotheruids 9 ,
-.Xr p_candebug 9
\ No newline at end of file
+.Xr p_candebug 9
diff --git a/share/man/man9/cr_seeotheruids.9 b/share/man/man9/cr_seeotheruids.9
index 2b6f08a83a91..e79363f225eb 100644
--- a/share/man/man9/cr_seeotheruids.9
+++ b/share/man/man9/cr_seeotheruids.9
@@ -26,9 +26,10 @@
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
 .\" $FreeBSD$
+.\"
 .Dd November 11, 2003
 .Os
-.Dt cr_seeotheruids 9
+.Dt CR_SEEOTHERUIDS 9
 .Sh NAME
 .Nm cr_seeotheruids
 .Nd determine visibility of objects given their user credentials
@@ -37,7 +38,7 @@
 .Fn cr_seeotheruids "struct ucred *u1" "struct ucred *u2"
 .Sh DESCRIPTION
 This function determines the visibility of objects in the
-kernel based on the real user ids in the credentials
+kernel based on the real user IDs in the credentials
 .Fa u1
 and
 .Fa u2
@@ -45,11 +46,11 @@ associated with them.
 .Pp
 The visibility of objects is influenced by the
 .Xr sysctl 8
-tunable
+variable
 .Va security.bsd.see_other_uids .
-If this tunable is non-zero, then all objects in the kernel
-are visible to each other irrespective of their user ids.
-If this tunable is zero, then the object with credentials
+If this variable is non-zero then all objects in the kernel
+are visible to each other irrespective of their user IDs.
+If this variable is zero then the object with credentials
 .Fa u2
 is visible to the object with credentials
 .Fa u1
@@ -59,11 +60,11 @@ is the super-user credential, or if
 .Fa u1
 and
 .Fa u2
-have the same real user id.
-.Sh SYSCTL TUNABLES
+have the same real user ID.
+.Sh SYSCTL VARIABLES
 .Bl -tag -width indent
 .It Va security.bsd.see_other_uids
-must be non-zero if objects with unprivileged credentials are to be
+Must be non-zero if objects with unprivileged credentials are to be
 able to see each other.
 .El
 .Sh RETURN VALUES
@@ -78,4 +79,4 @@ or
 otherwise.
 .Sh SEE ALSO
 .Xr cr_seeothergids 9 ,
-.Xr p_candebug 9
\ No newline at end of file
+.Xr p_candebug 9
diff --git a/share/man/man9/p_candebug.9 b/share/man/man9/p_candebug.9
index 7cdc2c882de4..a24a6886dfd7 100644
--- a/share/man/man9/p_candebug.9
+++ b/share/man/man9/p_candebug.9
@@ -26,9 +26,10 @@
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
 .\" $FreeBSD$
+.\"
 .Dd November 11, 2003
 .Os
-.Dt p_candebug 9
+.Dt P_CANDEBUG 9
 .Sh NAME
 .Nm p_candebug
 .Nd determine debuggability of a process
@@ -41,28 +42,30 @@ This function can be used to determine if a given process
 .Fa p
 is debuggable by the thread
 .Fa td .
-.Sh SYSCTL TUNABLES
+.Sh SYSCTL VARIABLES
 The following
 .Xr sysctl 8
-tunables directly influence the behaviour of
+variables directly influence the behaviour of
 .Fn p_candebug :
 .Bl -tag -width indent
 .It Va kern.securelevel
-debugging of the init process is not allowed if this tunable is
+Debugging of the init process is not allowed if this variable is
 .Li 1
 or greater.
 .It Va security.bsd.unprivileged_proc_debug
-must be set to a non-zero value to allow unprivileged processes
+Must be set to a non-zero value to allow unprivileged processes
 access to the kernel's debug facilities.
 .El
 .Sh RETURN VALUES
+The
 .Fn p_candebug
+function
 returns
 .Li 0
 if the process denoted by
-.Ar p
+.Fa p
 is debuggable by thread
-.Ar td ,
+.Fa td ,
 or a non-zero error return value otherwise.
 .Sh ERRORS
 .Bl -tag -width Er
@@ -78,7 +81,7 @@ Thread
 .Fa td
 lacks super-user credentials and process
 .Fa p
-is executing a set-user-id or set-group-id executable.
+is executing a set-user-ID or set-group-ID executable.
 .It Bq Er EPERM
 Thread
 .Fa td
@@ -92,15 +95,17 @@ Thread
 .Fa td
 lacks super-user credentials and process
 .Fa p Ns 's
-user ids do not match thread
+user IDs do not match thread
 .Fa td Ns 's
-effective user id.
+effective user ID.
 .It Bq Er EPERM
 Process
 .Fa p
 denotes the initial process
 .Fn initproc
-and the sysctl tunable
+and the
+.Xr sysctl 8
+variable
 .Va kern.securelevel
 is greater than zero.
 .It Bq Er ESRCH
diff --git a/share/man/man9/prison_check.9 b/share/man/man9/prison_check.9
index 1bade0ba19ed..a8ba040131aa 100644
--- a/share/man/man9/prison_check.9
+++ b/share/man/man9/prison_check.9
@@ -26,9 +26,10 @@
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
 .\" $FreeBSD$
+.\"
 .Dd December 11, 2003
 .Os
-.Dt prison_check 9
+.Dt PRISON_CHECK 9
 .Sh NAME
 .Nm prison_check
 .Nd determine if two credentials belong to the same jail
@@ -43,7 +44,9 @@ and
 .Fa cred2
 belong to the same jail.
 .Sh RETURN VALUES
+The
 .Fn prison_check
+function
 returns
 .Er ESRCH
 if
@@ -57,4 +60,4 @@ In all other cases,
 .Fn prison_check
 returns zero.
 .Sh SEE ALSO
-.Xr jail 2
\ No newline at end of file
+.Xr jail 2