diff --git a/share/man/man9/spl.9 b/share/man/man9/spl.9
index ef2d6a36d2f7..235b48bbd8ca 100644
--- a/share/man/man9/spl.9
+++ b/share/man/man9/spl.9
@@ -122,6 +122,8 @@ The traditional assignment of the various device drivers to the
 interrupt priority groups can be roughly classified as:
 .Bl -tag -width Fn
 .It Fn splnet
+Software part of the network interface drivers.
+.It Fn splimp
 All network interface drivers.
 .It Fn splbio
 All