At https://en.wikipedia.org/wiki/Wikipedia:Requests_for_comment I saw this (and ditto at Main Page). Nlwiki should not be listed within the "America" section.
Description
Description
Event Timeline
Comment Actions
This is expected, because that language is spoken in that continent.
If the data is incorrect, please report upstream: https://www.mediawiki.org/wiki/ULS/FAQ#language-territory