diff --git a/index.html b/index.html
index d41f5b7..1181494 100644
--- a/index.html
+++ b/index.html
@@ -71,8 +71,8 @@ <h2>Contratos menores | Ayuntamiento de Valencia 2015</h2>
 			<div class="col-md-3">
 				<h5>Proveedor</h5>
 				<div class="dropdown"> 
-					<button class="btn btn-primary dropdown-toggle btn-sm" type="button" data-toggle="dropdown">Selecciona proveedor<span class="caret"></span></button>
-					<ul id="legend" class="dropdown-menu">
+					<button class="btn btn-default dropdown-toggle btn-sm" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">Selecciona proveedor<span class="caret"></span></button>
+					<ul id="legend" class="dropdown-menu" aria-labelledby="dropdownMenu1">
 					</ul>
 				</div>
 			</div>
diff --git a/js/dataviz.js b/js/dataviz.js
index 02cc94b..662b1a7 100644
--- a/js/dataviz.js
+++ b/js/dataviz.js
@@ -102,7 +102,7 @@ var temp;
 d3.tsv("data/viplist_val2015.tsv", function(error, data) {//reads the viplist.tsv file
 	legend.selectAll('div')
 		.data(data)
-		.enter().append("li")
+		.enter().append("li").append("a")
 		.attr("class", function(d) { return "inactive";})
 		.text(function(d) { return (d.entidad == '-')? d.people + ' ' : d.people +  " ("+ d.ncontratos +") ";})
 		.on('click',function(d) { //when click on name