multiple systemd units, and a shared tmpfs space could be used up by other
applications, leading to ``SIGBUS`` errors during runtime.
-Mounting the cache directory as tmpfs_ is recommended apparoach.
+Mounting the cache directory as tmpfs_ is recommended approach.
Make sure to use appropriate ``size=`` option and don't forget to adjust the
size in the config file as well.
as *DNS server* and *DNS client* at the same time,
and that these roles require different configuration.
-This picture ilustrates different actors involved DNS resolution process,
+This picture illustrates different actors involved DNS resolution process,
supported protocols, and clarifies what we call *server configuration*
and *client configuration*.
Instance-specific configuration
-------------------------------
-Instances can use arbitraty identifiers for the instances, for example we can name instances like `dns1`, `tls` and so on.
+Instances can use arbitrary identifiers for the instances, for example we can name instances like `dns1`, `tls` and so on.
.. code-block:: bash