diff --git a/share/man/man4/dpt.4 b/share/man/man4/dpt.4
index 3c0b2e21c5d2..f08806500920 100644
--- a/share/man/man4/dpt.4
+++ b/share/man/man4/dpt.4
@@ -58,6 +58,8 @@ Smart Cache III (PM2?3?)
 Smart RAID III (PM3?3?, PM3332 [EISA], PM3334UW [PCI]) (Gen3)
 .It
 Smart Cache IV (PM2?4?, PM2042 [EISA], PM2044/PM2144 [PCI]) (Gen4)
+.It
+Smart RAID IV
 .El
 .Pp
 SmartRAID (PM3???) are "Enterprise" class cards,