[2005] wording clarification on ACL order

doc/guide/bind10-guide.xml

@@ -2172,8 +2172,8 @@ DDNS/zones[0]/update_acl[1]     {"action": "ACCEPT", "from": "::1", "key": "key.
         discussed among implementers and in the IETF, and it is now
         widely agreed that it does not make sense to strictly follow
         that part of RFC.
-        One known specific bad result of this is that it could leak
-        information about which name or record exists or does not
+        One known specific bad result of following the RFC is that it
+        could leak information about which name or record exists or does not
         exist in the zone as a result of prerequisite checks even if a
         zone is somehow configured to reject normal queries from
         arbitrary clients.