resolve: update the referenced RFC & section for mDNS

mrc0mmand · mrc0mmand · commit 7fcded4055be · 2022-03-11T16:55:55.000+01:00
Resolves: systemd#20386
diff --git a/src/resolve/resolved-mdns.c b/src/resolve/resolved-mdns.c
@@ -520,7 +520,7 @@ int manager_mdns_ipv6_fd(Manager *m) {
         if (r < 0)
                 return log_error_errno(r, "mDNS-IPv6: Failed to set IPV6_UNICAST_HOPS: %m");
 
-        /* RFC 4795, section 2.5 recommends setting the TTL of UDP packets to 255. */
+        /* RFC 6762, section 11 recommends setting the TTL of UDP packets to 255. */
         r = setsockopt_int(s, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, 255);
         if (r < 0)
                 return log_error_errno(r, "mDNS-IPv6: Failed to set IPV6_MULTICAST_HOPS: %m");
