As you say - probably just never thought of, and 'really doesn't matter' in the current company you work for...BUT...it does matter for the future, presenting your CV when applying for another job etc etc - and it DOES matter to the individual (you).
I would encourage you to put your proposal forward to your bosses (word of mouth is first best approach), and follow up in writing requesting their decision.
I cannot see this being a problem, especially if it is made clear that you are not looking at changing your salary (which you seem content with at this time).
Go for it.
If you don't ask....and all that!
All the best - and let us know the outcome.
Pam
www.Aberdeen-Secretaries.co.uk 
DeskDemon Forum Board Staff