nda.4: Add a HARDWARE section, tag SPDX

The description likely also needs some love.

MFC after:		1 hour
Co-authored-by:		ziaee (typed up imps suggestion, tagged spdx)
Differential Revision:	https://reviews.freebsd.org/D52866

share/man/man4/nda.4

@@ -1,4 +1,6 @@
 .\"
+.\" SPDX-License-Identifier: BSD-2-Clause
+.\"
 .\" Copyright (c) 2017 Netflix, Inc.
 .\"
 .\" Redistribution and use in source and binary forms, with or without
@@ -23,7 +25,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd June 6, 2020
+.Dd October 2, 2025
 .Dt NDA 4
 .Os
 .Sh NAME
@@ -39,6 +41,14 @@ driver provides support for direct access devices, implementing the
 .Tn NVMe
 command protocol, that are attached to the system through a host adapter
 supported by the CAM subsystem.
+.Sh HARDWARE
+The
+.Nm
+driver supports NVMe
+.Pq Non-Volatile Memory Express
+storage devices connected via PCIe or over NVMF
+.Pq NVMe over Fabric
+via the CAM subsystem.
 .Sh SYSCTL VARIABLES
 The following variables are available as both
 .Xr sysctl 8