dnsdist: Add `DNSAction.Refused` to the documentation

Reported by @rygl (thanks!).

diff --git a/pdns/README-dnsdist.md b/pdns/README-dnsdist.md
index f85489a95467edc09c7e7f64273c48467b55e173..e899c0f8d2353a927e5745f8470f8b4695222bbe 100644 (file)
--- a/pdns/README-dnsdist.md
+++ b/pdns/README-dnsdist.md
@@ -570,6 +570,7 @@ Valid return values for `LuaAction` functions are:
  * DNSAction.None: continue to the next rule
  * DNSAction.Nxdomain: return a response with a NXDomain rcode
  * DNSAction.Pool: use the specified pool to forward this query
+ * DNSAction.Refused: return a response with a Refused rcode
  * DNSAction.Spoof: spoof the response using the supplied IPv4 (A), IPv6 (AAAA) or string (CNAME) value
 
 DNSSEC