diff --git a/IPython/frontend/html/notebook/static/js/pager.js b/IPython/frontend/html/notebook/static/js/pager.js
index 9788a29..2053f7e 100644
--- a/IPython/frontend/html/notebook/static/js/pager.js
+++ b/IPython/frontend/html/notebook/static/js/pager.js
@@ -48,6 +48,7 @@ var IPython = (function (IPython) {
var that = this;
this.pager_button_area.append(
$('').attr('role', "button")
+ .attr('title',"open the pager in an external window")
.addClass('ui-button')
.click(function(){that.detach()})
.attr('style','position: absolute; right: 10px;')