In Page exist broken link

[Krikoon Alexa]

Hello!

In Page
https://fedoraproject.org/wiki/SecurityBasics
exist broken link
[4] http://fedora.redhat.com/docs/yum/
link
http://fedora.redhat.com/docs/yum/sn-updating-your-system.html
link
[5]
http://fedora.redhat.com/docs/yum/

Alexander