diff --git a/DEPLOYMENT-NOTES.rst b/DEPLOYMENT-NOTES.rst
index a8ba96ef08cf7b68367e7a054a404917ff6068e8..c8abff0f1ad7460c86536ed3d17a459779e98fb7 100644
--- a/DEPLOYMENT-NOTES.rst
+++ b/DEPLOYMENT-NOTES.rst
@@ -5,7 +5,9 @@ Deployment notes
 
   `https://whetstone.privatestorage.io/privatestorage/privatestorageops/-/issues/399`_ requires moving the PaymentServer database on the ``payments`` host onto a new dedicated filesystem.
 
-  Before deploying this version:
+  Follow these steps *before* deploying this version of PrivateStorageio:
+
+  0. Deploy the `PrivateStorageOps change <https://whetstone.privatestorage.io/privatestorage/privatestorageops/-/merge_requests/169>`_ that creates a new dedicated volume.
 
   1. Put a disk label on the new dedicated volume ::