slight english modifications

documentation.html

@@ -164,7 +164,7 @@ $(document).ready(function(){
 					<div class="page-header">
 				    	<h1>displaySwitch</h1>
 					</div>
-				  	<p>The default value is true to display, if you provide more than 3 lists, a switch button panel.</p>
+				  	<p>The default value is true to display a switch button panel, if more than 3 lists are provided.</p>
 				  	<pre class="prettyprint linenums">
 $(document).ready(function(){
   $('#example').jvenn({

example.html

@@ -820,7 +820,7 @@
 								<button id="ds_no"  type="button" class="btn btn-mini">No</button>
 							</div><br/>
 							<img src="img/bullet.png" style="vertical-align:initial;padding-top:10px">
-							Display the switch button panel (if more than 3 lists provided): 
+							Display the switch button panel (if more than 3 lists are provided): 
 							<div class="btn-group" data-toggle="buttons-radio">
 					  			<button id="dsw_yes" type="button" class="btn btn-mini active">Yes</button>
 								<button id="dsw_no"  type="button" class="btn btn-mini">No</button>