diff --git a/man2/prctl.2 b/man2/prctl.2
index f440e3cf3..aee546d48 100644
--- a/man2/prctl.2
+++ b/man2/prctl.2
@@ -1,6 +1,8 @@
 .\" Hey Emacs! This file is -*- nroff -*- source.
 .\"
 .\" Copyright (C) 1998 Andries Brouwer (aeb@cwi.nl)
+.\" and Copyright (C) 2002 Michael Kerrisk <mtk-manpages@gmx.net>
+.\" and Copyright Guillem Jover <guillem@hadrons.org>
 .\"
 .\" Permission is granted to make and distribute verbatim copies of this
 .\" manual provided the copyright notice and this permission notice are