diff --git a/MAINTAINERS.md b/MAINTAINERS.md
index 4ad692a9..701b21c6 100644
--- a/MAINTAINERS.md
+++ b/MAINTAINERS.md
@@ -21,6 +21,8 @@ To add a set of packages, you would add:
         - package2
         - package3
 
+Note that the `master` branch is used for Stackage Nightly (not the `nightly` branch, which is used for the nightly docker builder imagine).
+
 After doing that, send a pull request (with a commit message like "add foo-bar"). We do not require new submissions to be tested against the rest of Stackage before the pull request (though it is a good idea to do so if you can with `stack --resolver nightly exec stackage-curator check` and `stack --resolver nightly build`), provided you meet the dependency version requirements above. If your library depends on a C library, add a note to your pull request with the Ubuntu library name, or even better edit the `debian-bootstrap.sh` script directly
 
 If you want to make sure that the package builds against the newest versions of all dependecies you can do this: