diff --git a/api-ref/v2/source/samples/volume-manage-request.json b/api-ref/v2/source/samples/volume-manage-request.json
index f84e8261dd9..36321478437 100644
--- a/api-ref/v2/source/samples/volume-manage-request.json
+++ b/api-ref/v2/source/samples/volume-manage-request.json
@@ -2,8 +2,8 @@
     "volume": {
         "host": "geraint-VirtualBox",
         "ref": {
-            "source-volume-name": "existingLV",
-            "source-volume-id": "1234"
+            "source-name": "existingLV",
+            "source-id": "1234"
         },
         "name": "New Volume",
         "availability_zone": "az2",
diff --git a/api-ref/v2/source/volume-manage.inc b/api-ref/v2/source/volume-manage.inc
index 42151651b15..5802dd3b320 100644
--- a/api-ref/v2/source/volume-manage.inc
+++ b/api-ref/v2/source/volume-manage.inc
@@ -18,8 +18,8 @@ Creates a Block Storage volume by using existing storage rather than allocating
 The caller must specify a reference to an existing storage volume
 in the ref parameter in the request. Although each storage driver
 might interpret this reference differently, the driver should
-accept a reference structure that contains either a source-volume-
-id or source-volume-name element, if possible.
+accept a reference structure that contains either a source-id
+or source-name element, if possible.
 
 The API chooses the size of the volume by rounding up the size of
 the existing storage volume to the next gibibyte (GiB).