diff --git a/lib/libnetgraph/netgraph.3 b/lib/libnetgraph/netgraph.3
index c30dc1bdb48e..2403c0a6c641 100644
--- a/lib/libnetgraph/netgraph.3
+++ b/lib/libnetgraph/netgraph.3
@@ -48,6 +48,8 @@
 .Nm NgSetDebug ,
 .Nm NgSetErrLog
 .Nd netgraph user library
+.Sh LIBRARY
+.Lb libnetgraph
 .Sh SYNOPSIS
 .Fd #include <netgraph.h>
 .Ft int