diff --git a/api-ref/source/v3/parameters.yaml b/api-ref/source/v3/parameters.yaml
index e98278c2483..6d94c1edbfa 100644
--- a/api-ref/source/v3/parameters.yaml
+++ b/api-ref/source/v3/parameters.yaml
@@ -607,6 +607,13 @@ bootable:
   in: body
   required: true
   type: boolean
+bootable_1:
+  description: |
+    Enables or disables the bootable attribute. You
+    can boot an instance from a bootable volume.
+  in: body
+  required: false
+  type: boolean
 bootable_response:
   description: |
     Enables or disables the bootable attribute. You
@@ -1599,6 +1606,13 @@ metadata_1:
   in: body
   required: true
   type: object
+metadata_10:
+  description: |
+    One or more metadata key and value pairs to be associated
+    with the new volume.
+  in: body
+  required: false
+  type: object
 metadata_2:
   description: |
     One or more metadata key and value pairs that are
@@ -2779,6 +2793,12 @@ volume_name:
   in: body
   required: true
   type: string
+volume_name_1:
+  description: |
+    The volume name.
+  in: body
+  required: false
+  type: string
 volume_type_1:
   description: |
     A ``volume_type`` object.
diff --git a/api-ref/source/v3/volume-manage.inc b/api-ref/source/v3/volume-manage.inc
index d9da5f6463a..8b39965e37c 100644
--- a/api-ref/source/v3/volume-manage.inc
+++ b/api-ref/source/v3/volume-manage.inc
@@ -40,13 +40,13 @@ Request
    - volume: volume
    - description: description
    - availability_zone: availability_zone
-   - bootable: bootable
+   - bootable: bootable_1
    - volume_type: volume_type
-   - name: volume_name
+   - name: volume_name_1
    - host: host_mutex
    - cluster: cluster_mutex
    - ref: ref
-   - metadata: metadata
+   - metadata: metadata_10
 
 Request Example
 ---------------