docs: a more honest deprecation warning

README.rst

@@ -1,7 +1,7 @@
-⛔️ DEPRECATION WARNING
-======================
-This repository is deprecated and in maintainence-only operation while we work on a replacement, please see `this announcement <https://discuss.openedx.org/t/deprecation-removal-ecommerce-service-depr-22/6839>`__ for more information.
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+⛔️ WARNING
+==========
+
+This repository is under-maintained. We are not fixing bugs or developing new features for it. We hope to deprecate and replace it soon. For updates, `follow along on the DEPR ticket <https://github.com/openedx/public-engineering/issues/22>`_.
 
 Although we have stopped integrating new contributions, we always appreciate security disclosures and patches sent to [email protected]