diff --git a/addons/web_graph/static/src/js/graph_widget.js b/addons/web_graph/static/src/js/graph_widget.js
index cfcb8841ca9..b6ba3a4d705 100644
--- a/addons/web_graph/static/src/js/graph_widget.js
+++ b/addons/web_graph/static/src/js/graph_widget.js
@@ -73,6 +73,8 @@ openerp.web_graph.Graph = openerp.web.Widget.extend({
             self.$('.graph_options_selection label').last().toggle(result);
         });
 
+        this.$buttons.find('button').tooltip();
+        
         return this.model.call('fields_get', []).then(function (f) {
             self.fields = f;
             self.fields.__count = {field:'__count', type: 'integer', string:_t('Count')};
diff --git a/addons/web_graph/static/src/xml/web_graph.xml b/addons/web_graph/static/src/xml/web_graph.xml
index aac5f2433fd..70bcf328d68 100644
--- a/addons/web_graph/static/src/xml/web_graph.xml
+++ b/addons/web_graph/static/src/xml/web_graph.xml
@@ -2,15 +2,15 @@
 
     <t t-name="graph-view-buttons">
         <div class="btn-group btn-group-sm">
-            <button class="btn btn-default fa fa-table oe-pivot-mode"></button>
-            <button class="btn btn-default fa fa-bar-chart-o oe-bar-mode"></button>
-            <button class="btn btn-default fa fa-line-chart oe-line-mode"></button>
-            <button class="btn btn-default fa fa-pie-chart oe-pie-mode"></button>
+            <button class="btn btn-default fa fa-table oe-pivot-mode" title="Pivot Table"></button>
+            <button class="btn btn-default fa fa-bar-chart-o oe-bar-mode" title="Bar Chart"></button>
+            <button class="btn btn-default fa fa-line-chart oe-line-mode" title="Line Chart"></button>
+            <button class="btn btn-default fa fa-pie-chart oe-pie-mode" title="Pie Chart"></button>
         </div>
         <div class="btn-group btn-group-sm">
-            <button class="btn btn-default fa fa-expand oe-pivot"></button>
-            <button class="btn btn-default fa fa-arrows-alt oe-pivot"></button>
-            <button class="btn btn-default fa fa-download oe-pivot"></button>
+            <button class="btn btn-default fa fa-expand oe-pivot" title="Flip columns and rows"></button>
+            <button class="btn btn-default fa fa-arrows-alt oe-pivot" title="Expand"></button>
+            <button class="btn btn-default fa fa-download oe-pivot" title="Download Data"></button>
         </div>
         <div class="btn-group btn-group-sm"> 
             <button class="btn btn-default dropdown-toggle" data-toggle="dropdown">