Lpadmin, comment or location for class?

[Andrea Sen]

> Once you have created the class, use:
>
>     lpadmin -p class -D info -L loc
>

Thanks, I already tried this, but I end up with

-sh-3.2# lpadmin -p printer -c class
-sh-3.2# lpadmin -p class -D info -L loc
lpadmin: A class named "class" already exists!

Location and information are not changed. Can I try something else?