anchor.diff:          type = types.bool;
           default = false;
           description = ''
  -          Accept the CA's terms of service. The default provier is Let's Encrypt,
  -          you can find their ToS at https://letsencrypt.org/repository/
  +          Accept the CA's terms of service. The default provider is Let's Encrypt,
  +          you can find their ToS at <link xlink:href="https://letsencrypt.org/repository/"/>.
           '';
         };
   
  
positive.code:           Path to an EnvironmentFile for the cert's service containing any required and
            optional environment variables for your selected dnsProvider.
            To find out what values you need to set, consult the documentation at
            https://go-acme.github.io/lego/dns/ for the corresponding dnsProvider.
          '';
          example = "/var/src/secrets/example.org-route53-api-token";
        };
  
negative.code:         type = types.nullOr types.str;
          default = null;
          description = ''
            ACME Directory Resource URI. Defaults to Let's Encrypt's
            production endpoint,
            <link xlink:href="https://acme-v02.api.letsencrypt.org/directory"/>, if unset.
          '';
        };
  
        domain = mkOption {
          type = types.str;
          default = name;
          description = "Domain to fetch certificate for (defaults to the entry name).";
        };
  
        email = mkOption {
  