that you're the only one who will ever see the "stupid name", so it isn't really a problem.
If you really can't stand the sight of the name any longer you can change it. Just open the site in NOF, go to 'File' and select 'save site as' from the menu. This will enable you to save the site under a completely different name. Once you're happy that you can open and edit the newly-named site in NOF, go to C:\Program Files\NetObjects\NetObjects Fusion 8\User Sites and delete the 'stupid name' folder.