Cultures.txt maintenance question

[Ed Kolis]

In cultures.txt, does a positive value for Maintenance meean reduced or increased maintenance? Engineers has a positive value which seems kind of odd given that the game says "+2 maintenance cost"...

[Suicide Junkie]

+2 vs maintenance cost, or +2 maintenance reduction.

+ve modifiers on characteristics are always a good thing.

[Ed Kolis]

Odd that the game reports it on the abilities tab as "+2 to maintenance cost"...