fix(*): Corrected required cores version

Author: johanneswuerbach

docs/installing_deis/baremetal.rst

@@ -12,7 +12,7 @@ machine running entirely from RAM. Then, you can `install CoreOS to disk`_.
 
 .. important::
 
-    Deis requires CoreOS version 471.1.0 or more recent for Ceph FS support in the kernel.
+    Deis requires CoreOS version 472.0.0 or more recent.
 
 
 Generate SSH key

docs/managing_deis/upgrading-deis.rst

@@ -153,7 +153,7 @@ Upgrading CoreOS
 ----------------
 
 Sometimes you may need to update CoreOS manually in order to get Deis to work. For example, Deis
-requires a minimum of CoreOS v471.1.0 for Ceph FS support. To update CoreOS, run the following
+requires a minimum of CoreOS v472.0.0. To update CoreOS, run the following
 commands:
 
 .. code-block:: console