If I got to e.g.
https://pt.wikipedia.org/wiki/Especial:ApiSandbox?uselang=pt#action=query&meta=siteinfo&format=json
I see this:
Documentação
siteinfo
Return general information about the site. (leia mais)
The documentation "Return general information about the site." should be localizable.
Version: unspecified
Severity: normal
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=35074
https://bugzilla.wikimedia.org/show_bug.cgi?id=67732