The Sharpness enchantment is not increasing my sword's damage

Put the summary of the bug you're having here

What I expected to happen was...

I expected to see the damage increase

What actually happened was...:
So I was Enchanting my sword and when I put sharpness on it showed that the damage did not increase.

Steps to Reproduce:
1. First Enchant your netherite sword with unbreaking 3, sharpness 5, fire aspect 2, knockback 2 sweeping edge 3, mending and looting 3
2. next check on sword by keeping your mouse on the item in the inventory
3. and see that the sword's damage never increased