3 files changed, 14 insertions, 13 deletions

diff --git a/lib/libc/sys/mlockall.2 b/lib/libc/sys/mlockall.2
index 50cb1563e37c..db4c4a933e4c 100644
--- a/lib/libc/sys/mlockall.2
+++ b/lib/libc/sys/mlockall.2
@@ -54,14 +54,14 @@
 .Fn munlockall "void"
 .Sh DESCRIPTION
 The
-.Nm mlockall
+.Fn mlockall
 system call locks into memory the physical pages associated with the
 address space of a process until the address space is unlocked, the
 process exits, or execs another program image.
 .Pp
 The following flags affect the behavior of
-.Nm mlockall :
-.Bl -tag -width MCL_CURRENT
+.Fn mlockall :
+.Bl -tag -width ".Dv MCL_CURRENT"
 .It Dv MCL_CURRENT
 Lock all pages currently mapped into the process's address space.
 .It Dv MCL_FUTURE
@@ -76,19 +76,19 @@ limited in how much they can lock down.
 A single process can lock the minimum of a system-wide
 .Dq wired pages
 limit and the per-process
-.Li RLIMIT_MEMLOCK
+.Dv RLIMIT_MEMLOCK
 resource limit.
 .Pp
 The
-.Nm munlockall
+.Fn munlockall
 call unlocks any locked memory regions in the process address space.
 Any regions mapped after an
-.Nm munlockall
+.Fn munlockall
 call will not be locked.
 .Sh RETURN VALUES
 A return value of 0 indicates that the call
 succeeded and all pages in the range have either been locked or unlocked.
-A return value of -1 indicates an error occurred and the locked
+A return value of \-1 indicates an error occurred and the locked
 status of all pages in the range remains unchanged.
 In this case, the global location
 .Va errno
@@ -99,7 +99,7 @@ will fail if:
 .Bl -tag -width Er
 .It Bq Er EINVAL
 The
-.Ar flags
+.Fa flags
 argument is zero, or includes unimplemented flags.
 .It Bq Er ENOMEM
 Locking the indicated range would exceed either the system or per-process
diff --git a/lib/libc/sys/sigwait.2 b/lib/libc/sys/sigwait.2
index 2c9839a90785..2d635cbb2cd2 100644
--- a/lib/libc/sys/sigwait.2
+++ b/lib/libc/sys/sigwait.2
@@ -26,6 +26,7 @@
 .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
 .\" $FreeBSD$
+.\"
 .Dd April 27, 2000
 .Dt SIGWAIT 2
 .Os
@@ -70,7 +71,9 @@ The
 system call will fail if:
 .Bl -tag -width Er
 .It Bq Er EINVAL
+The
 .Fa set
+argument
 specifies one or more invalid signal numbers.
 .El
 .Sh SEE ALSO
diff --git a/lib/libc/sys/utrace.2 b/lib/libc/sys/utrace.2
index 64bef2a1e6b6..a83c18551ad0 100644
--- a/lib/libc/sys/utrace.2
+++ b/lib/libc/sys/utrace.2
@@ -59,10 +59,7 @@ bytes from memory pointed to by
 .Fa addr .
 This call only has an effect if the calling process is being traced.
 .Sh RETURN VALUES
-Upon successful completion, a value of 0 is returned.
-Otherwise, a value of -1 is returned and
-.Va errno
-is set to indicate the error.
+.Rv -std
 .Sh ERRORS
 .Bl -tag -width Er
 .It Bq Er EINVAL
@@ -75,7 +72,8 @@ Insufficient memory to honor the request.
 .It Bq Er ENOSYS
 Currently running kernel was compiled without
 .Xr ktrace 2
-support (option KTRACE).
+support
+.Pq Cd "options KTRACE" .
 .El
 .Sh SEE ALSO
 .Xr kdump 1 ,