Update openPMD.md

Closes #90.

standards/openPMD.md

@@ -37,17 +37,17 @@ contact_email: [email protected]
 standard_update_date: 2018-02-06
 version: 1.1.0
 description: |
-  <p>OpenPMD provides naming and attribute conventions that allow the exchange
-    of particle and mesh based data from scientific simulations and experiments.
-    The primary goal is to define a minimal set/kernel of meta information that
-    enables the sharing and exchange of data to achieve</p>
+  <p>The openPMD standard provides naming and attribute conventions that allow
+    the exchange of particle and mesh based data from scientific simulations and
+    experiments. The primary goal is to define a minimal set/kernel of meta
+    information that enables the sharing and exchange of data to achieve.</p>
   <ul>
     <li>portability between various applications and differing algorithms;</li>
     <li>a unified open-access description for scientific data (publishing and archiving);</li>
     <li>a unified description for post-processing, visualization and analysis.</li>
   </ul>
-  <p>OpenPMD suits any kind of hierarchical, self-describing data format, such
-     as, but not limited to ADIOS1 (BP3), ADIOS2 (BP4), HDF5, JSON, and XML.</p>
+  <p>The standard suits any kind of hierarchical, self-describing data format,
+    such as, but not limited to ADIOS1 (BP3), ADIOS2 (BP4), HDF5, JSON, and XML.</p>
 # The following are constants: do not modify
 layout: standard
 type: standard