[api-ref]Fix the incorrect description in volume API

Now api of creating a snapshot in cinder is using volume transfer
description for 'name' and 'id' in creating volume snapshot parameters.
That is not correct, and this commit will fix it.

Change-Id: I949d05a8006937b3f49e3c53b42b38b09384604e
Closes-Bug: #1698128

api-ref/source/v3/volumes-v3-snapshots.inc

@@ -95,7 +95,7 @@ Request
    - volume_id: volume_id
    - force: force
    - description: description
-   - name: name
+   - name: name_12
    - project_id: project_id_path
 
 Request Example
@@ -112,11 +112,11 @@ Response Parameters
    - status: status_2
    - description: description
    - created_at: created_at
-   - name: name
+   - name: name_12
    - snapshot: snapshot
    - volume_id: volume_id
    - metadata: metadata
-   - id: id
+   - id: id_4
    - size: size