diff --git a/nixos/doc/manual/configuration/ipv6-config.xml b/nixos/doc/manual/configuration/ipv6-config.xml
index 7b89b4092be..45e85dbf3df 100644
--- a/nixos/doc/manual/configuration/ipv6-config.xml
+++ b/nixos/doc/manual/configuration/ipv6-config.xml
@@ -7,8 +7,12 @@
 
  <para>
   IPv6 is enabled by default. Stateless address autoconfiguration is used to
-  automatically assign IPv6 addresses to all interfaces. You can disable IPv6
-  support globally by setting:
+  automatically assign IPv6 addresses to all interfaces, and Privacy
+  Extensions (RFC 4946) are enabled by default. You can adjust the default
+  for this by setting <xref linkend="opt-networking.tempAddresses"/>.
+  This option may be overridden on a per-interface basis by
+  <xref linkend="opt-networking.interfaces._name_.tempAddress"/>.
+  You can disable IPv6 support globally by setting:
 <programlisting>
 <xref linkend="opt-networking.enableIPv6"/> = false;
 </programlisting>