diff --git a/lib/libc/gen/vis.3 b/lib/libc/gen/vis.3
index 6b2c296736b3..072046d26c8c 100644
--- a/lib/libc/gen/vis.3
+++ b/lib/libc/gen/vis.3
@@ -1,4 +1,4 @@
-.\"	$NetBSD: vis.3,v 1.32 2012/12/15 01:04:02 uwe Exp $
+.\"	$NetBSD: vis.3,v 1.33 2012/12/15 01:19:32 uwe Exp $
 .\"
 .\" Copyright (c) 1989, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -425,7 +425,11 @@ The destination buffer size is not large enough to perform the conversion.
 .Rs
 .%A T. Berners-Lee
 .%T Uniform Resource Locators (URL)
-.%O RFC1738
+.%O "RFC 1738"
+.Re
+.Rs
+.%T "Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies"
+.%O "RFC 2045"
 .Re
 .Sh HISTORY
 The