diff --git a/roles/ensure-twine/README.rst b/roles/ensure-twine/README.rst
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+Ensure twine is installed.
diff --git a/roles/multi-node-known-hosts/README.rst b/roles/multi-node-known-hosts/README.rst
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+Configures the file ``/etc/ssh/ssh_known_hosts`` on each node in a
+multi-node job to contain all known host names.