I just noticed that the links provided in the recent ERRATA emails are
pointing to the 5x repo while the display text is for the 7x and 6x repos.

Example (copied from todays FASTBUGS:
<a class="moz-txt-link-freetext" href="
http://ftp.scientificlinux.org/linux/scientific/5x/x86_64/updates/fastbugs/
">
http://ftp.scientificlinux.org/linux/scientific/7x/x86_64/updates/fastbugs/
</a>