@@ -422,12 +422,12 @@ flag:

     $ docker run --device=/dev/sda:/dev/xvdc --rm -it ubuntu fdisk  /dev/xvdc

     Command (m for help): q

-    $ docker run --device=/dev/sda:/dev/xvdc:ro --rm -it ubuntu fdisk  /dev/xvdc

+    $ docker run --device=/dev/sda:/dev/xvdc:r --rm -it ubuntu fdisk  /dev/xvdc

     You will not be able to write the partition table.

     Command (m for help): q

-    $ docker run --device=/dev/sda:/dev/xvdc --rm -it ubuntu fdisk  /dev/xvdc

+    $ docker run --device=/dev/sda:/dev/xvdc:rw --rm -it ubuntu fdisk  /dev/xvdc

     Command (m for help): q