diff --git a/static/js/documentDialog.js b/static/js/documentDialog.js
index 83a129fde..25a46092d 100644
--- a/static/js/documentDialog.js
+++ b/static/js/documentDialog.js
@@ -113,8 +113,8 @@ pandora.ui.documentDialog = function(options) {
 
         $selectButton = Ox.ButtonGroup({
                 buttons: [
-                    {id: 'previous', title: 'left'},
-                    {id: 'next', title: 'right'}
+                    {id: 'previous', title: 'left', tooltip: Ox._('Previous')},
+                    {id: 'next', title: 'right', tooltip: Ox._('Next')}
                 ],
                 type: 'image'
             })
diff --git a/static/js/documentsPanel.js b/static/js/documentsPanel.js
index 7488d20a1..42e542fa7 100644
--- a/static/js/documentsPanel.js
+++ b/static/js/documentsPanel.js
@@ -300,8 +300,8 @@ pandora.ui.documentsPanel = function(options) {
 
         $selectButton = Ox.ButtonGroup({
             buttons: [
-                {id: 'previous', title: 'left'},
-                {id: 'next', title: 'right'}
+                {id: 'previous', title: 'left', tooltip: Ox._('Previous')},
+                {id: 'next', title: 'right', tooltip: Ox._('Next')}
             ],
             type: 'image'
         })