Update Oxygen Release notes with new grains and module

Also do a final cosmetic fix to the purefa module documentation

doc/topics/releases/oxygen.rst

@@ -46,6 +46,21 @@ noon PST so the Stormpath external authentication module has been removed.
 
 https://stormpath.com/oktaplusstormpath
 
+New Grains
+----------
+
+New core grains have been added to expose any storage inititator setting.
+
+The new grains added are:
+
+* ``fc_wwn``: Show all fibre channel world wide port names for a host
+* ``iscsi_iqn``: Show the iSCSI IQN name for a host
+
+New Modules
+-----------
+
+- :mod:`salt.modules.purefa <salt.modules.purefa>`
+
 New NaCl Renderer
 -----------------
 

salt/modules/purefa.py

@@ -31,6 +31,7 @@ Installation Prerequisites
   three methods.
 
   1) From the minion config
+
   .. code-block:: yaml
 
         pure_tags: