diff --git a/LDP/howto/linuxdoc/IO-Port-Programming.sgml b/LDP/howto/linuxdoc/IO-Port-Programming.sgml
index b6337b7a..84036a70 100644
--- a/LDP/howto/linuxdoc/IO-Port-Programming.sgml
+++ b/LDP/howto/linuxdoc/IO-Port-Programming.sgml
@@ -3,7 +3,7 @@
Linux I/O port programming mini-HOWTO
Author: Riku Saikkonen Last modified: Aug 12 2000
+v3.0, 2000-12-13
This HOWTO document describes programming hardware I/O ports and
@@ -507,7 +507,7 @@ using non-standard bps rates and so on shouldn't be a problem.
See the linux/drivers/char/serial.c>), and for more
+url="http://www.easysw.com/˜mike/serial/"> for more
information on programming serial ports on Unix systems.