Advanced Combo borked?

Although the skill string says 5 orbs for 5% each, it was discovered to be 5 orbs for 6% each. The main reason it doesn't bump the amount of orbs until level 6 is because of Combat Orders. If it gave you more orbs at level 1, by level 30 you would still have 10 orbs. At level 31, however, you'd have 11 orbs which would have broken Combo Attack since there is only 10 orbs to begin with. Instead, by delaying an orb early for a few levels, Combat Orders would boost Advanced Combo to 10 orbs for 11% each at level 32. Advanced Combo is still the better skill to master going into the 4th job since the damage boost from Combo Attack to Advanced Combo Attack is far greater than compared to Brandish and Brave (Intrepid) Slash.