updating again.

Signed-off-by: Mary Anthony <mary@docker.com>

docs/userguide/dockervolumes.md

@@ -145,7 +145,7 @@ Because of [limitations in the `mount`
 function](http://lists.linuxfoundation.org/pipermail/containers/2015-April/
 035788.html), moving subdirectories within the host's source directory can give
 access from the container to the host's file system. This requires a malicious
-user with access to the mounted directory on the host. 
+user with access to host and its mounted directory. 
 
 >**Note**: The host directory is, by its nature, host-dependent. For this
 >reason, you can't mount a host directory from `Dockerfile` because built images