diff --git a/doc/notes/notes-9.18.28.rst b/doc/notes/notes-9.18.28.rst
index 27628717a7..82b9ca046f 100644
--- a/doc/notes/notes-9.18.28.rst
+++ b/doc/notes/notes-9.18.28.rst
@@ -58,6 +58,10 @@ Bug Fixes
   ISC would like to thank Dzintars and Ivo from nic.lv for bringing
   this to our attention.
 
+- Command-line options for IPv4-only (:option:`named -4`) and IPv6-only
+  (:option:`named -6`) modes are now respected for zone primaries,
+  :any:`also-notify` and :any:`parental-agents`. :gl:`#3472`
+
 - An RPZ response's SOA record TTL was set to 1 instead of the SOA TTL, if
   ``add-soa`` was used. This has been fixed. :gl:`#3323`