Make instructions how to fetch and checkout refs/meta/config consistent

The instructions how to fetch and checkout the refs/meta/config branch
in the project owner guide are now consistent with the instructions in
user-notify.html#project. Describing two different ways to do the same
thing is confusing to users.

Change-Id: I33c4f5e6248520fc1cf6522900335292038aaa1d
Signed-off-by: Edwin Kempin <ekempin@google.com>
diff --git a/Documentation/intro-project-owner.txt b/Documentation/intro-project-owner.txt
index 7a724f7..72fe717 100644
--- a/Documentation/intro-project-owner.txt
+++ b/Documentation/intro-project-owner.txt
@@ -70,8 +70,8 @@
 commands:
 
 ----
-  $ git fetch origin refs/meta/config:config
-  $ git checkout config
+  $ git fetch ssh://localhost:29418/project refs/meta/config
+  $ git checkout FETCH_HEAD
   $ git log project.config
 ----