diff --git a/share/man/man9/zero_copy.9 b/share/man/man9/zero_copy.9
index 5d9b077d7eb6..e85359ad47bb 100644
--- a/share/man/man9/zero_copy.9
+++ b/share/man/man9/zero_copy.9
@@ -31,6 +31,7 @@
 .Sh NAME
 .Nm zero_copy ,
 .Nm zero_copy_sockets
+.Nd "zero copy sockets code"
 .Sh SYNOPSIS
 .Cd "options ZERO_COPY_SOCKETS"
 .Sh DESCRIPTION