Be sure to tell the reviewers what changes you are making and to thank them
for their time. Code review is a tiring and time-consuming process, and
reviewers sometimes get grumpy. Even in that case, though, respond
-politely and address the problems they have pointed out.
+politely and address the problems they have pointed out. When sending a next
+version, add a ``patch changelog`` to the cover letter or to individual patches
+explaining difference aganst previous submission (see
+:ref:`the_canonical_patch_format`).
See Documentation/process/email-clients.rst for recommendations on email
clients and mailing list etiquette.