This is a small change to acme-client(1) because I find the explanation of -F flag not being obvious that you need it when you add/remove an alternative name in your domain config.
Maybe wording could be better, if a native English speaker could give it a look. ok? Index: acme-client.1 =================================================================== RCS file: /home/reposync/src/usr.sbin/acme-client/acme-client.1,v retrieving revision 1.36 diff -u -p -r1.36 acme-client.1 --- acme-client.1 4 Nov 2020 10:34:18 -0000 1.36 +++ acme-client.1 15 Dec 2020 09:14:07 -0000 @@ -68,6 +68,9 @@ The options are as follows: .Bl -tag -width Ds .It Fl F Force certificate renewal, even if it's too soon. +This is required if the domain alternatives names changed +in +.Xr acme-client.conf 5 . .It Fl f Ar configfile Specify an alternative configuration file. .It Fl n