Fix broken lmaintainers link in doc.
# Organization
-Contiki-NG has a group of [maintainers], a subset of which constitutes the [board].
+Contiki-NG has a group of [maintainers], which also constitutes the board.
The maintainers are in charge of commenting on issues, keeping documentation up-to-date, reviewing and merging pull requests as per the guidelines in [doc:contributing].
The board, in addition, takes care of general management aspects such as organizational decisions, future directions, etc.
@@ -9,6 +9,5 @@ Active contributors who demonstrated high standards will be invited to join as m
Conversely, maintainers who become inactive over many months will be considered for removal.
The board can be dissolved whenever a majority of maintainers decide so -- they will then be responsible for selecting new board members.
-[board]: https://github.com/orgs/contiki-ng/teams/board/members
-[maintainers]: https://github.com/orgs/contiki-ng/teams/maintainers/members
+[maintainers]: https://github.com/orgs/contiki-ng/people
[doc:contributing]: /doc/project/Contributing
