diff --git a/doc/arm/notes.rst b/doc/arm/notes.rst
index 7a51b557fa..3bae4f1f7b 100644
--- a/doc/arm/notes.rst
+++ b/doc/arm/notes.rst
@@ -35,7 +35,7 @@ information about each release, and source code.
 
 .. include:: ../notes/notes-known-issues.rst
 
-.. include:: ../notes/notes-current.rst
+.. include:: ../notes/notes-9.18.21.rst
 .. include:: ../notes/notes-9.18.20.rst
 .. include:: ../notes/notes-9.18.19.rst
 .. include:: ../notes/notes-9.18.18.rst
diff --git a/doc/notes/notes-current.rst b/doc/notes/notes-9.18.21.rst
similarity index 86%
rename from doc/notes/notes-current.rst
rename to doc/notes/notes-9.18.21.rst
index 05cc5e90fe..b1338eccd9 100644
--- a/doc/notes/notes-current.rst
+++ b/doc/notes/notes-9.18.21.rst
@@ -12,16 +12,6 @@
 Notes for BIND 9.18.21
 ----------------------
 
-Security Fixes
-~~~~~~~~~~~~~~
-
-- None.
-
-New Features
-~~~~~~~~~~~~
-
-- None.
-
 Removed Features
 ~~~~~~~~~~~~~~~~
 
@@ -31,16 +21,6 @@ Removed Features
 - The ``resolver-nonbackoff-tries`` and ``resolver-retry-interval`` options
   are now deprecated. A warning will be logged if they are used. :gl:`#4405`
 
-Feature Changes
-~~~~~~~~~~~~~~~
-
-- None.
-
-Bug Fixes
-~~~~~~~~~
-
-- None.
-
 Known Issues
 ~~~~~~~~~~~~