diff --git a/releasenotes/notes/support_mark_down_for_instance-179b04c693f17787.yaml b/releasenotes/notes/support_mark_down_for_instance-179b04c693f17787.yaml
new file mode 100644
index 000000000..00e15a898
--- /dev/null
+++ b/releasenotes/notes/support_mark_down_for_instance-179b04c693f17787.yaml
@@ -0,0 +1,4 @@
+---
+features:
+  - Support ``mark_down`` action for instances via calling Nova
+    ``reset-state`` API.