diff --git a/api-ref/source/v3/parameters.yaml b/api-ref/source/v3/parameters.yaml
index c521e0b0630..e6bf30ef63e 100644
--- a/api-ref/source/v3/parameters.yaml
+++ b/api-ref/source/v3/parameters.yaml
@@ -1184,6 +1184,14 @@ force:
   in: body
   required: false
   type: boolean
+force_snapshot:
+  description: |
+    Indicates whether to snapshot, even if the volume
+    is attached. Default is ``false``.
+    See :ref:`valid boolean values <valid-boolean-values>`
+  in: body
+  required: false
+  type: boolean
 force_upload_vol:
   description: |
     Enables or disables upload of a volume that is
diff --git a/api-ref/source/v3/volumes-v3-snapshots.inc b/api-ref/source/v3/volumes-v3-snapshots.inc
index d91298fc51e..246511ac56b 100644
--- a/api-ref/source/v3/volumes-v3-snapshots.inc
+++ b/api-ref/source/v3/volumes-v3-snapshots.inc
@@ -122,7 +122,7 @@ Request
    - volume_id: volume_id
    - name: name_snap_req
    - description: description_snap
-   - force: force
+   - force: force_snapshot
    - metadata: metadata_snap
 
 Request Example