diff --git a/sbin/ipfw/ipfw.8 b/sbin/ipfw/ipfw.8
index 426cfdd0f66c..96349a0563ce 100644
--- a/sbin/ipfw/ipfw.8
+++ b/sbin/ipfw/ipfw.8
@@ -2499,7 +2499,7 @@ The following parameters can be configured for a pipe:
 .It Cm bw Ar bandwidth | device
 Bandwidth, measured in
 .Sm off
-.Op Cm K | M
+.Op Cm K | M | G
 .Brq Cm bit/s | Byte/s .
 .Sm on
 .Pp