Add removed recursion opts to upgrade guide

diff --git a/docs/upgrading.rst b/docs/upgrading.rst
index 59f24cc5808d849d56eb9d50f6b5de57c106b7bf..d273a8837f1538e80d63258da30716bfbd54ebc9 100644 (file)
--- a/docs/upgrading.rst
+++ b/docs/upgrading.rst
@@ -21,6 +21,10 @@ Changed options
    been completely dropped. We invite you to use (PowerDNS
    dnsdist)[http://dnsdist.org] instead.
 
+- As recursion has been removed from the Authoritative Server, the
+  ``allow-recursion``, ``recursive-cache-ttl`` and ``recursor`` options have
+  been removed as well.
+
 Changed defaults
 ~~~~~~~~~~~~~~~~