*keyring*, a ``dict``, the keyring to use if the message is signed.
*request_mac*, a ``binary``. If the message is a response to a
- *TSIG-signed request, request_mac* should be set to the MAC of
- *that request.
+ TSIG-signed request, *request_mac* should be set to the MAC of
+ that request.
*xfr*, a ``bool``, should be set to ``True`` if this message is part of
a zone transfer.
*rdtype*, an ``int`` or ``text``, the desired rdata type.
- *rdclass*, an ``int`` or ``text`, the desired rdata class; the default
+ *rdclass*, an ``int`` or ``text``, the desired rdata class; the default
is class IN.
*use_edns*, an ``int``, ``bool`` or ``None``. The EDNS level to use; the