ktrace(1): add xref to namei(9)

namei was mistaken for a typo (see GitHub pull request freebsd#1284).  Add an
xref to make it clear.

Reviewed by:	imp
Sponsored by:	The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D45546

usr.bin/ktrace/ktrace.1

@@ -25,7 +25,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd April 20, 2024
+.Dd June 10, 2024
 .Dt KTRACE 1
 .Os
 .Sh NAME
@@ -48,7 +48,8 @@ The
 utility enables kernel trace logging for the specified processes.
 Kernel trace data is logged to the file
 .Pa ktrace.out .
-The kernel operations that are traced include system calls, namei
+The kernel operations that are traced include system calls,
+.Xr namei 9
 translations, signal processing, and
 .Tn I/O .
 .Pp
@@ -199,7 +200,8 @@ Disable tracing of all user-owned processes:
 .Xr truss 1 ,
 .Xr ktrace 2 ,
 .Xr utrace 2 ,
-.Xr capsicum 4
+.Xr capsicum 4 ,
+.Xr namei 9
 .Sh HISTORY
 The
 .Nm