Update certbot/docs/using.rst

Co-authored-by: ohemorange <erica@eff.org>
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Will Greenberg 2026-05-08 12:13:20 -07:00 committed by GitHub
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@ -86,7 +86,7 @@ manual_ Y N | Obtain a certificate by manually following instructions
Under the hood, plugins use one of several ACME protocol challenges_ to
prove you control a domain. The challenge options are http-01_ (which uses port 80),
and the two DNS-based challenges: dns-01_, or dns-persist-01_ (which both
require configuration of a DNS server on port 53, though that's often not the
require configuration of a DNS server on port 53, though that may not be the
same machine as your webserver). A few plugins support more than one challenge
type, in which case you can choose one with ``--preferred-challenges``.