message: Fixes to parallel IO documentation
diff: @@ -34,9 +34,10 @@ Parallel I/O using IOManager class
  To accomplish parallel I/O, Sidre provides the IOManager class. This class is
  instantiated with an MPI communicator and provides several overloads of the
  -``write()`` and ``read()`` methods, to save a Group to HDF5 format or read a Group
  -in from HDF5. IOManager optionally uses the SCR library for scalable I/O
  -management (such as using burst buffers if available.
  +``write()`` and ``read()`` methods. These methods save a Group in parallel
  +to a set of files and read a Group from existing files.
  +IOManager optionally uses the SCR library for scalable I/O
  +management (such as using burst buffers if available).
  In the following example, an IOManager is created and used to write the contents
  of the Group "root" in parallel.
  @@ -103,8 +104,8 @@ each processor will read to load data into the argument group.
  The ``write()`` and ``read()`` methods above are sufficient to do a restart save/load
  when the data is the group is completely owned by the Sidre data structures.
  If Sidre is used to manage data that is externally allocated, the loading
  -procedure requires some additional restore data in the same externally-
  -allocated state.
  +procedure requires some additional steps to restore data in the same
  +externally-allocated state.
  First the ``read()`` method is called, and the full hierarchy structure of the
  group is loaded into the Sidre Group, but no data is allocated for Views
  @@ -117,7 +118,7 @@ user-allocated arrays.
  Below is a code example for loading external data. We assume that this code
  somehow has knowledge that the root group contains a single external view at
  the location "fields/external_array" describing an array of doubles. See the
  -Sidre documentation for information about how to query the Sidre data
  +Group and View documentation for information about how to query the Sidre data
  structures for this type of information when the code does not have a priori
  knowledge.
  