diff --git a/share/man/man9/kcopy.9 b/share/man/man9/kcopy.9
index 2586a69a1c21..282d503f62b0 100644
--- a/share/man/man9/kcopy.9
+++ b/share/man/man9/kcopy.9
@@ -1,4 +1,4 @@
-.\"     $NetBSD: kcopy.9,v 1.3 2006/04/04 17:33:40 mrg Exp $
+.\"     $NetBSD: kcopy.9,v 1.4 2006/04/04 18:50:27 mrg Exp $
 .\"
 .\" Copyright (c) 2002 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -59,7 +59,8 @@ must save and restore the old fault handler since it is called by
 .Xr uiomove 9 ,
 which may be in the path of servicing a non-fatal page fault.
 .Fn kcopy
-returns 0 on success.  All other values indicate failure.
+returns 0 on success and an error number on failure.
 .Sh SEE ALSO
+.Xr errno 2 ,
 .Xr memcpy 9 ,
 .Xr uiomove 9