No, quite right. VF+ = GVF. Intermediate grades - e.g. from F to VF - would be F / F+ or GF / NVF / AVF / VF. (N = nearly A = about). A wearing die versus a new die might be AEF / GEF.
Where the obverse and reverse are different grades, they're given separately (obverse first) - e.g. VF/EF