Docs improvements from review

Co-authored-by: Remi Gacogne <github@coredump.fr>

diff --git a/pdns/recursordist/docs/settings.rst b/pdns/recursordist/docs/settings.rst
index 67a5316ab4cbebc7597d4dc89ef1a4286c604dc5..625d58f662e4397d6680d0c2642b0cac6a0e4c02 100644 (file)
--- a/pdns/recursordist/docs/settings.rst
+++ b/pdns/recursordist/docs/settings.rst
@@ -1413,8 +1413,8 @@ Maximum number of seconds to cache an item in the packet cache, no matter what t
 -  Integer
 -  Default: 60
 
-Maximum number of seconds to cache a 'server failure' and other answers signalling an error in the packet cache.
-Before version 4.6.0 only ``ServFail`` answers were considered an error. Starting with 4.6.0, any answer without answers records and rcode other than ``NoError`` and ``NXDomain`` are considered errors.
+Maximum number of seconds to cache an answer indicating a failure to resolve in the packet cache.
+Before version 4.6.0 only ``ServFail`` answers were considered as such. Starting with 4.6.0, all responses with a code other than ``NoError`` and ``NXDomain``, or without records in the answer and authority sections, are considered as a failure to resolve.
 
 .. versionchanged:: 4.0.0