[TEXT] Workflow description improved.

templates/corpus.html

@@ -77,7 +77,7 @@
     <div class="panel-heading">
       <h4 class="panel-title">
         <a data-toggle="collapse" data-parent="#accordion" href="#collapseOne">
-						<p align="center">Filter and show documents</p>
+						<p class="btn btn-primary btn-lg" align="right">Read documents</h2></p>
         </a>
       </h4>
     </div>
@@ -129,7 +129,7 @@
 
 				<div class="col-md-4">
 						<div class="jumbotron">
-						<h3><a href="/graph">3) Cooccurrences</a></h3>
+						<h3><a href="/graph">3) Vizualizations</a></h3>
 						<ol>
 								<li>Matrix</li>
 								<li>Static maps</li>