diff --git a/share/man/man4/netgraph.4 b/share/man/man4/netgraph.4
index 546aeed30415..b4c0addcd9b3 100644
--- a/share/man/man4/netgraph.4
+++ b/share/man/man4/netgraph.4
@@ -1045,9 +1045,11 @@ and
 The
 .Nm
 system was designed and first implemented at Whistle Communications, Inc.
-in a version
+in a version of
 .Fx 2.2
 customized for the Whistle InterJet.
+It first made its debut in the main tree in
+.Fx 3.4 .
 .Sh AUTHORS
 .An Julian Elischer Aq julian@whistle.com ,
 with contributions by
diff --git a/sys/modules/netgraph/netgraph/netgraph.4 b/sys/modules/netgraph/netgraph/netgraph.4
index 546aeed30415..b4c0addcd9b3 100644
--- a/sys/modules/netgraph/netgraph/netgraph.4
+++ b/sys/modules/netgraph/netgraph/netgraph.4
@@ -1045,9 +1045,11 @@ and
 The
 .Nm
 system was designed and first implemented at Whistle Communications, Inc.
-in a version
+in a version of
 .Fx 2.2
 customized for the Whistle InterJet.
+It first made its debut in the main tree in
+.Fx 3.4 .
 .Sh AUTHORS
 .An Julian Elischer Aq julian@whistle.com ,
 with contributions by