Index: wget-1.20/doc/sample.wgetrc
===================================================================
--- wget-1.20.orig/doc/sample.wgetrc
+++ wget-1.20/doc/sample.wgetrc
@@ -120,6 +120,9 @@
 
 # To try ipv6 addresses first:
 #prefer-family = IPv6
+#
+# Let the DNS resolver decide whether to prefer IPv4 or IPv6
+prefer-family = none
 
 # Set default IRI support state
 #iri = off