[Centos] Have question about centOS-3.3

Fri Sep 17 16:27:28 UTC 2004
cweisiger at i-55.com <cweisiger at i-55.com>

so i can just edit my yum.conf file replacing $releasever with 3.3, run yum 
update and ill be running 3.3?

also, i should have any unusual issues?