diff --git a/share/man/man9/ifnet.9 b/share/man/man9/ifnet.9
--- a/share/man/man9/ifnet.9
+++ b/share/man/man9/ifnet.9
@@ -26,7 +26,7 @@
 .\" OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd May 24, 2022
+.Dd Nov 12, 2024
 .Dt IFNET 9
 .Os
 .Sh NAME
@@ -608,6 +608,10 @@
 .It Dv IFF_ALLMULTI
 .Aq D*
 This interface is in all-multicasts mode (used by multicast routers).
+.It Dv IFF_PALLMULTI
+.Aq D
+This interface is in the permanently all-multicasts mode (implies
+.Dv IFF_ALLMULTI) .
 .It Dv IFF_DRV_OACTIVE
 .Aq D*
 The interface's hardware output queue (if any) is full; output packets