Revise paragraph for clarity and rebranding details

Author: lawrennd

index.html

@@ -58,7 +58,7 @@ <h2>Proceedings</h2>
   {%- endunless -%}{%- endif -%}{%- endfor -%}    
 </ul>
 
-<p>The rebranding of JMLR W&CP was finalized on 10th April 2017. The first volume to be published only on the PMLR site is volume 54, the 2017 AISTATS Proceedings. The ISSN of the old proceedings was: 1938-7228.</p>
+<p>The proceedings were originally known as JMLR W&CP. Rebranding was finalised on 10th April 2017. The first volume to be published at the PMLR site was volume 54, the 2017 AISTATS Proceedings. The ISSN of the old proceedings was: 1938-7228.</p>
 
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