fix doco typo in resolver-class.rst

diff --git a/doc/resolver-class.rst b/doc/resolver-class.rst
index 21c6c466b402f1cb3ee0252f5d5391e3df1568ea..fdff77478c24848cea90cc3b7d4e4e4d4c16d00c 100644 (file)
--- a/doc/resolver-class.rst
+++ b/doc/resolver-class.rst
@@ -16,7 +16,7 @@ The dns.resolver.Resolver and dns.resolver.Answer Classes
       an IPv4 or IPv6 address, or an https URL.
 
       This field is actually a property, and returns a tuple as of dnspython 2.4.
-      Assigning this this field converts any strings into
+      Assigning this field converts any strings into
       ``dns.nameserver.Nameserver`` instances.
 
    .. attribute:: search