diff --git a/CHANGES b/CHANGES
index f951231a90..007564df6c 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+6209.	[func]		Reduce query-response latency by making recursive
+			queries (CNAME, DNAME, NSEC) asynchronous instead
+			of directly calling the respective functions. [GL #4185]
+
 6208.	[func]		Return BADCOOKIE for out-of-date or otherwise bad, well
 			formed DNS SERVER COOKIES. [GL #4194]
 
diff --git a/doc/notes/notes-current.rst b/doc/notes/notes-current.rst
index 0bffdada36..0da2da6ada 100644
--- a/doc/notes/notes-current.rst
+++ b/doc/notes/notes-current.rst
@@ -41,6 +41,10 @@ Bug Fixes
 
 - None.
 
+- Query-processing latency under load has been improved by reducing the
+  uninterrupted time spent by resolving long cached chains of domain names.
+  :gl:`#4185`
+
 Known Issues
 ~~~~~~~~~~~~