future: notes on future version changes

Signed-off-by: William Woodruff <william@yossarian.net>

Author: woodruffw

peps/pep-0792.rst

@@ -253,8 +253,11 @@ Future Considerations
 This PEP defines only four project status markers: ``active``, ``archived``,
 ``quarantined``, and ``deprecated``.
 
-Future PEPs (or PyPA standards processes) may define additional project
-status markers, as needed.
+Future PEPs (or PyPA standards processes) may define additional project status
+markers, as needed. Any future status markers may require a metadata version
+bump, unless a future metadata change is made to allow for "open-ended" status
+markers (i.e., where indices and installers do not necessarily share a single
+common list of allowed statuses).
 
 As specified in this PEP, project status markers are "bare," i.e. they
 convey no additional user-controlled metadata (such as an explanation