Update README.md

Two lines are cut in the README. This patch fix this using http://www.sebastien-han.fr/blog/2014/03/03/Announcing-ceph-ansible-playbooks/.

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 * Authentication (cephx), this can be disabled.
 * Supports cluster public and private network.
-* Monitors deployment. You can easily start with one monitor and then progressively add new nodes. So can deploy one monitor for testing purpose. For production, I recommend to a
-* Object Storage Daemons. Like the monitors you can start with a certain amount of nodes and then grow this number. The playbook either supports a dedicated device for storing th
+* Monitors deployment. You can easily start with one monitor and then progressively add new nodes. So can deploy one monitor for testing purpose. For production, I recommend to always use an odd number of monitors, 3 tends to be the standard.
+* Object Storage Daemons. Like the monitors you can start with a certain amount of nodes and then grow this number. The playbook either supports a dedicated device for storing the journal or both journal and OSD data on the same device (using a tiny partition at the beginning of the device).
 * Metadata daemons.
 * Collocation. The playbook supports collocating Monitors, OSDs and MDSs on the same machine.
 * The playbook was validated on Debian Wheezy, Ubuntu 12.04 LTS and CentOS 6.4.