Rephrase parental-agents description

(cherry picked from commit 21c9166abb53a9f47017a43c380bc59320b6f0e4)

diff --git a/doc/arm/reference.rst b/doc/arm/reference.rst
index 0563e41614c9f81eeee0435153d9022646e97668..a000cf2659cc1b05574706673fe2177430913a24 100644 (file)
--- a/doc/arm/reference.rst
+++ b/doc/arm/reference.rst
@@ -1035,9 +1035,9 @@ responses such as NXDOMAIN.
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 :any:`parental-agents` lists allow for a common set of parental agents to be easily
-used by multiple primary and secondary zones in their :any:`parental-agents` lists.
-A parental agent is the entity that the zone has a relationship with to
-change its delegation information (defined in :rfc:`7344`).
+used by multiple primary and secondary zones.
+A parental agent is the entity that is allowed to
+change a zone's delegation information (defined in :rfc:`7344`).
 
 .. _primaries_grammar:
 
@@ -1074,7 +1074,6 @@ where ``tls-configuration-name`` refers to a previously defined
    observers but does not protect from man-in-the-middle attacks on
    zone transfers.
 
-
 .. _options_grammar:
 
 ``options`` Block Grammar