diff --git a/CHANGES b/CHANGES
index 99ae00fe98..4ee085ccc1 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+5508.	[func]		Added new parameter "-expired" for "rndc dumpdb" that
+			also prints expired RRsets (awaiting cleanup) to the
+			dump file. [GL #1870]
+
 5507.	[bug]		Named could compute incorrect SIG(0) responses.
 			[GL #2109]
 
diff --git a/doc/notes/notes-current.rst b/doc/notes/notes-current.rst
index 8969bd5252..bc5b4659bf 100644
--- a/doc/notes/notes-current.rst
+++ b/doc/notes/notes-current.rst
@@ -26,6 +26,10 @@ New Features
 
 - None.
 
+- New ``rndc`` command ``rndc dumpdb -expired`` that dumps the cache database
+  to the dump-file including expired RRsets that are awaiting cleanup, for
+  diagnostic purposes. [GL #1870]
+
 Removed Features
 ~~~~~~~~~~~~~~~~