# How do flight arrows affect ranged damage

I'd like to clarify how flight arrows work in Pathfinder:

Benefit: A flight arrows range increment is 20 feet greater with longbows, 10 feet greater with shortbows.

Drawback: Flight arrows deal damage as if one size category smaller.

I'm assuming this drawback applies to the size category of the bow damage? So a medium longbow now deals 1d6 damage instead of 1d8? I'm basing this off the description of Gravity Bow which says it increases the size and weight of the arrows or bolts fired from the bows.

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