Thread:Support/About MediaWiki:Apihelp-query+contenttranslationlangtrend-param-interval/en

Assuming in analogy to Thread:Support/About MediaWiki:Apihelp-sitematrix-param-state/ksh that week months are not to be translated. Is that true? Then I believe, the translate message should nevertheless provide a translation, e.g. in brackets like in:
 * De Zigg för der Trännd. Kann „ “ (Woch) udder „ “ (Mohnd) sinn.