@@ -101,7 +101,9 @@ Respond with a string error if an error occurred.

 ```

 Docker requires the plugin to provide a volume, given a user specified volume

-name. This is called once per container start.

+name. This is called once per container start. If the same volume_name is requested

+more than once, the plugin may need to keep track of each new mount request and provision

+at the first mount request and deprovision at the last corresponding unmount request.

 **Response**:

 ```