Remember this is only the current Cunnan opinion on Style and Naming. If users find it limiting or difficult to use then fell free to make changes!
This is a bit more important than style as article are only easy to link to if named in a consistent manner.
Try to use the singular form of nouns as article titles. This allows people to link to the singular form ([[Balista]]) as well as the plural form ([[Balista]]s). Exceptions would be cases where the article must always be plural (eg. Other re-enactment sites).