Comment # 6 on bug 1095751 from Maik Wagner

(In reply to Wolfgang Rosenauer from comment #0)
> But as a german native speaker I find the plural of Repository > Repositorys
> really really strange.

I agree and in fact there are a lot of words which change their ending in
plural form: city -> cities / factory - factories / baby - babies etc. 

For that reason I am assuming "Repositories" is the correct spelling.