TLS and SAN (Subject Alternative Name)

I use the latest caddy and have tested the site with

The output looks very good with the caddy default settings but one line isn’t what I like.

Alternative names MISMATCH

I haven’t seen any information about SAN in the doc .
How can I tell caddy that he should add the SAN into the certifiacte like the common name?

Looks like old certificates which was created with certbot manually don’t have the SAN.
New generated one with caddy have this SAN.

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