diff --git a/api-ref/source/parameters.yaml b/api-ref/source/parameters.yaml
index ac403237d5..2e68ffa76c 100644
--- a/api-ref/source/parameters.yaml
+++ b/api-ref/source/parameters.yaml
@@ -938,7 +938,7 @@ reason:
 requested_provision_state:
   description: |
     One of the provisioning verbs: manage, provide, inspect, clean, active,
-    rebuild, delete (deleted), abort.
+    rebuild, delete (deleted), abort, adopt.
   in: body
   required: true
   type: string