no bug - doc: Fenix uses different branches depending on the version r=jcristau DONTBUILD

Differential Revision: https://phabricator.services.mozilla.com/D89369

taskcluster/docs/platforms.rst

@@ -59,7 +59,7 @@ Build Platforms
    Windows 2012 x64 DevEdition, ,
    Windows MinGW, Tom Ritter, "| the Tor project uses MinGW; make sure we test that for them
    | Only runs on autoland, m-c and m-esr"
-   Android 4.0 API16+, , "| All Android jobs are for GeckoView. Fenix uses m-b and Focus uses m-r.
+   Android 4.0 API16+, , "| All Android jobs are for GeckoView. Fenix nightly uses m-c, Fenix beta => m-b, Fenix release => m-r and Focus uses m-r.
    | We run these tests in the CI to make sure that GeckoView tests do not regress."
    Android 4.0 API16+ Beta, James Willcox (Snorp), To ship/test Android 4.1 on arm v7 CPU
    Android 4.0 API16+ Release, , To ship/test Android 4.1 on arm v7 CPU