Add a note that the nox commands are a "prototype"
@@ -73,6 +73,9 @@ def should_update_common_wheels():
# -----------------------------------------------------------------------------
# Development Commands
+# These are currently prototypes to evaluate whether we want to switch over
+# completely to nox for all our automation. Contributors should prefer using
+# `tox -e ...` until this note is removed.
# -----------------------------------------------------------------------------
@nox.session(python=["2.7", "3.5", "3.6", "3.7", "pypy"])
def test(session):
