updated doc
updated doc

Signed-off-by: root <dc76e9f0c0006e8f919e0c515c66dbba3982f785@saurabh-build-mud-parrot-1>

libopenstorage/openstorage,libopenstorage/openstorage,libopenstorage/openstorage,pault84/openstorage,pault84/openstorage,pault84/openstorage