is that no amount of forcing will make the `refs/heads/*` namespace
accept a non-commit object. Hooks and configuration can also override
or amend these rules, see e.g. `receive.denyNonFastForwards` in
-linkgit:git-config[1] and`pre-receive` and `update` in
+linkgit:git-config[1] and `pre-receive` and `update` in
linkgit:githooks[5].
+
Pushing an empty <src> allows you to delete the <dst> ref from the