Language changes unit designation numbers?

[Erwin42]

This is more of a curiosity than anything else, but it did lead to some confusion before I figured out what happened.

If anyone knows why this happens, I'd be interested to hear.

Anyway, trying the "Rush to Moscow" multiplayer scenario and noticed that the unit numbers change between the French and English versions.

17e Bf 109E in the French is 16th Bf 109E in the English, for example...