diff --git a/CHANGES b/CHANGES
index d0dfc2a36f..86eb70b374 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+5804.	[func]		Add a debug log message when starting and ending
+			the task exclusive mode. [GL #3137]
+
 5803.	[func]		Use compile-time paths in the documentation.
 			[GL #2717]
 
diff --git a/doc/notes/notes-current.rst b/doc/notes/notes-current.rst
index f5abcd8a83..ded784f7a7 100644
--- a/doc/notes/notes-current.rst
+++ b/doc/notes/notes-current.rst
@@ -41,6 +41,11 @@ Feature Changes
   by a client are now included in the client information sent to DLZ
   modules when processing queries. :gl:`#3082`
 
+- Add DEBUG(1) level messages when starting and ending BIND 9 task exclusive mode
+  that stops the normal DNS operation (f.e. for reconfiguration, interface
+  scans, and other events that require exclusive access to a shared resources).
+  :gl:`#3137`
+
 Bug Fixes
 ~~~~~~~~~