@enumerate
-@item Switch back to master and get the updated news:
+@item Update the current staging branch with the current news:
@example
+git fetch
git checkout origin/staging
git merge origin/release/unstable
@end example
git push origin HEAD:staging
@end example
+If the push fails with a message like
+
+@example
+ ! [rejected] HEAD -> staging (non-fast-forward)
+@end example
+
+@noindent
+it means that somebody else updated the staging branch while you were
+preparing your change. In that case, you need to restart the Post
+Release process. Otherwise, proceed:
@item (for now) do a @code{make doc} and manually upload: