diff --git a/doc/source/deploy/cleaning.rst b/doc/source/deploy/cleaning.rst
index 4f9bcdc983..0f9a26435e 100644
--- a/doc/source/deploy/cleaning.rst
+++ b/doc/source/deploy/cleaning.rst
@@ -170,7 +170,7 @@ higher.
 An example of doing this with a JSON string::
 
     ironic --ironic-api-version 1.15 node-set-provision-state \
-    clean --clean-steps '{"clean_steps": [...]}'
+    clean --clean-steps '[...]'
 
 Or with a file::