On alpha page ("http://mageia.org/en/alpha/")
The link to errata is wrong :
"http://mageia.org/wiki/doku.php?id=iso1:errata"
It should be
"http://www.mageia.org/wiki/doku.php?id=mageia1:errata"
same as for blog page ("http://blog.mageia.org/en/")
whose the link is OK