diff --git a/share/man/man4/vmm.4 b/share/man/man4/vmm.4
--- a/share/man/man4/vmm.4
+++ b/share/man/man4/vmm.4
@@ -22,7 +22,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd September 27, 2024
+.Dd December 30, 2024
 .Dt VMM 4
 .Os
 .Sh NAME
@@ -45,15 +45,22 @@
 provides the kernel portion of the
 .Xr bhyve 4
 hypervisor.
-.Pp
-An Intel CPU with VT-x/EPT or AMD CPU with SVM support is required.
+The following platforms are supported:
+.Bl -bullet -compat
+.It
+amd64: An Intel CPU with VT-x/EPT or AMD CPU with SVM support is required.
+.It
+arm64: The boot CPU must start in EL2 and the system must have a GICv3 interrupt
+controller.
+VHE support will be used if available.
+.It
+riscv: The CPUs must implement the H (hypervisor) RISC-V ISA extension.
+.El
 .Pp
 PCI device passthrough to a virtual machine requires
-hardware with VT-d support.
+hardware with VT-d support and is available only on amd64.
 .Sh PCI PASSTHROUGH
-When the hardware supports VT-d, and
-.Nm
-has been loaded at boot time,
+On amd64 where the hardware supports VT-d,
 PCI devices can be reserved for use by the hypervisor.
 Entries consisting of the PCI
 .Ar bus Ns / Ns Ar slot Ns / Ns Ar function
@@ -143,6 +150,8 @@
 .Nm vmm.ko
 first appeared in
 .Fx 10.0 .
+arm64 and riscv support first appeared in
+.Fx 15.0 .
 .Sh AUTHORS
 .An Neel Natu Aq neel@freebsd.org
 .An Peter Grehan Aq grehan@freebsd.org