diff --git a/api-ref/source/parameters.yaml b/api-ref/source/parameters.yaml
index 41b80eb8d0..1d50ec434e 100644
--- a/api-ref/source/parameters.yaml
+++ b/api-ref/source/parameters.yaml
@@ -3987,7 +3987,7 @@ project_id_instance_action:
   description: |
     The UUID of the project that this server belongs to.
   in: body
-  required: ture
+  required: true
   type: string
 project_id_query_server:
   description: |