diff --git a/docs/sliders/bardenas.html b/docs/sliders/bardenas.html
index 2b2959f..afcb61e 100644
--- a/docs/sliders/bardenas.html
+++ b/docs/sliders/bardenas.html
@@ -18,7 +18,10 @@ body {
 </div>
 <script>
 $(function(){
-  $("#container1").twentytwenty();
+  $("#container1").twentytwenty({
+    before_label: 'Antes',
+	  after_label: 'Despúes'
+  });
 });
 </script>
 </body>
diff --git a/docs/sliders/merinales.html b/docs/sliders/merinales.html
index 1e58526..eae243c 100644
--- a/docs/sliders/merinales.html
+++ b/docs/sliders/merinales.html
@@ -18,7 +18,10 @@ body {
 </div>
 <script>
 $(function(){
-  $("#container1").twentytwenty();
+  $("#container1").twentytwenty({
+    before_label: 'Antes',
+	  after_label: 'Despúes'
+  });
 });
 </script>
 </body>
diff --git a/docs/sliders/sotogordo.html b/docs/sliders/sotogordo.html
index df8558a..e84a538 100644
--- a/docs/sliders/sotogordo.html
+++ b/docs/sliders/sotogordo.html
@@ -18,7 +18,10 @@ body {
 </div>
 <script>
 $(function(){
-  $("#container1").twentytwenty();
+  $("#container1").twentytwenty({
+    before_label: 'Antes',
+	  after_label: 'Despúes'
+  });
 });
 </script>
 </body>