:: Developer Documentation Request Request Type: Correction Gecko Version: unspecified Technical Contact: :: Details This link  is referenced for Layers from https://developer.mozilla.org/en-US/docs/Mozilla/Firefox_OS/Platform/Architecture?redirectlocale=en-US&redirectslug=Mozilla%2FFirefox_OS%2FArchitecture in the graphics section. Please point to the proper link.  https://developer.mozilla.org/en-US/docs/Gecko/Layers
This is actually missing documentation, rather than a wrong link. That's where the document will be once it's been written.
THis won't be written on MDN.