Fix VAGRANT_CWD path

Change-Id: Ie22d60c815e94806a0a7435c01913acabbb0bb06
(cherry picked from commit f6e6a8b6d2e6f8afc14b79bb8cb9e85d6b410bd1)
diff --git a/docs/quickstart.md b/docs/quickstart.md
index f7774c9..159781b 100644
--- a/docs/quickstart.md
+++ b/docs/quickstart.md
@@ -121,7 +121,7 @@
 `Vagrantfile`'s parent directory, then run `vagrant status`:
 
 ```
-~$ export VAGRANT_CWD=~/cord/build/targets/cord-in-a-box
+~$ export VAGRANT_CWD=~/cord/build
 ~$ vagrant status
 Current machine states: