dns: update yadifa description as per official description

README.md

@@ -349,7 +349,7 @@ _See also: [awesome-selfhosted/Database Management](https://github.com/awesome-s
 - [NSD](https://www.nlnetlabs.nl/projects/nsd/about/) - Authoritative DNS name server developed speed, reliability, stability and security. ([Source Code](https://github.com/NLnetLabs/nsd))
 - [PowerDNS Authoritative Server](https://doc.powerdns.com/authoritative/) - Versatile nameserver which supports a large number of backends.. ([Source Code](https://github.com/PowerDNS/pdns))
 - [Unbound](https://nlnetlabs.nl/projects/unbound/about/) - Validating, recursive, and caching DNS resolver. ([Source Code](https://github.com/NLnetLabs/unbound))
-- [Yadifa](https://www.yadifa.eu/) - Lightweight authoritative Name Server with DNSSEC capabilities powering the .eu top-level domain. ([Source Code](https://github.com/yadifa/yadifa))
+- [Yadifa](https://www.yadifa.eu/) - Clean, small, light and RFC-compliant name server implementation developed from scratch by .eu. ([Source Code](https://github.com/yadifa/yadifa))
 
 
 ### DNS - Control Panels