How to manually edit the main.cf file

Hi,

I need to make a very minor edit to the main.cf file. I am assuming this is the way to do this:

haconf -makerw

edit main.cf on one of the nodes  i.e vi /etc/VRTSvcs/conf/config/main.cf

save changes

hacf -verify /etc/VRTSvcs/conf/config

haconf -dump -makero