Merge pull request #322 from AdguardTeam/change-quad9-ipv6

change quad9 IPv6

Author: el-termikael

docs/general/dns-providers.md

@@ -639,7 +639,7 @@ Regular DNS servers which provide protection from phishing and spyware. They inc
 | Protocol       | Address                                            |                |
 |----------------|----------------------------------------------------|----------------|
 | DNS, IPv4      | `9.9.9.9` and `149.112.112.112`                    | [Add to AdGuard](adguard:add_dns_server?address=9.9.9.9&name=), [Add to AdGuard VPN](adguardvpn:add_dns_server?address=9.9.9.9&name=) |
-| DNS, IPv6      | `2620:fe::fe` IP: `2620:fe::fe:9`                  | [Add to AdGuard](adguard:add_dns_server?address=2620:fe::fe&name=), [Add to AdGuard VPN](adguardvpn:add_dns_server?address=2620:fe::fe&name=) |
+| DNS, IPv6      | `2620:fe::fe` and `2620:fe::9`                  | [Add to AdGuard](adguard:add_dns_server?address=2620:fe::fe&name=), [Add to AdGuard VPN](adguardvpn:add_dns_server?address=2620:fe::fe&name=) |
 | DNSCrypt, IPv4 | Provider: `2.dnscrypt-cert.quad9.net` IP: `9.9.9.9:8443`| [Add to AdGuard](sdns://AQMAAAAAAAAADDkuOS45Ljk6ODQ0MyBnyEe4yHWM0SAkVUO-dWdG3zTfHYTAC4xHA2jfgh2GPhkyLmRuc2NyeXB0LWNlcnQucXVhZDkubmV0) |
 | DNSCrypt, IPv6 |  Provider: `2.dnscrypt-cert.quad9.net` IP: `[2620:fe::fe]:8443`  | [Add to AdGuard](sdns://AQMAAAAAAAAAElsyNjIwOmZlOjpmZV06ODQ0MyBnyEe4yHWM0SAkVUO-dWdG3zTfHYTAC4xHA2jfgh2GPhkyLmRuc2NyeXB0LWNlcnQucXVhZDkubmV0) |
 | DNS-over-HTTPS | `https://dns.quad9.net/dns-query`  | [Add to AdGuard](adguard:add_dns_server?address=https://dns.quad9.net/dns-query&name=dns.quad9.net), [Add to AdGuard VPN](adguardvpn:add_dns_server?address=https://dns.quad9.net/dns-query&name=dns.quad9.net) |