Fix add host device example

The example is not right in parameter, and also one command is same as first one, it should be typo before, we should use 'rw' as example for that. Signed-off-by: Kai Qiang Wu(Kennan) <wkqwu@cn.ibm.com>
bfirsh · Jan 19, 2016 · 62b525f · 62b525f
1 parent b6be645
commit 62b525f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/docs/reference/commandline/run.md b/docs/reference/commandline/run.md
@@ -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