Addressed PR feedback

Author: Josh Sager

openapi.yaml

@@ -8833,7 +8833,8 @@ paths:
       x-linode-grant: add_volumes
       summary: Clone Volume
       description: >
-        This endpoint allows you to create a new Volume on your Account. In
+        This endpoint allows you to create a new Volume cloned from an existing
+        Volume on your Account. In
         order for this request to complete successfully, your user must have the
         `add_volumes` grant. The new Volume will have the same size and data as
         the source Volume. Creating a new Volume will incur a charge on your