diff --git a/website/awfy.js b/website/awfy.js
index d408e6e..7c4d635 100644
--- a/website/awfy.js
+++ b/website/awfy.js
@@ -101,6 +101,8 @@ AWFY.loadAggregateGraph = function (blobgraph) {
 
 AWFY.displayNewGraph = function (name, graph) {
     var elt = $('#' + name + '-graph');
+    if (!elt.length)
+        return;
     var display = elt.data('awfy-display');
     if (!display) {
         display = new Display(this, name, elt);
@@ -162,6 +164,8 @@ AWFY.computeAggregate = function (received) {
     var graphs = { };
     for (var name in blob.graphs) {
         var blobgraph = blob.graphs[name];
+        if (!blobgraph)
+            continue;
         graphs[name] = this.loadAggregateGraph(blobgraph);
     }
 
diff --git a/website/index.html b/website/index.html
index 6e3baa7..cf5b417 100755
--- a/website/index.html
+++ b/website/index.html
@@ -65,10 +65,11 @@
    <li>The x-axis is the date we ran tests, and the y-axis is the score of the benchmark.</li>
    <li>The front page displays a hybrid of historical data, as well as the most recent samples.</li>
    <li>You can click on a datapoint to see a tooltip with more information.</li>
+   <li>Tooltips will either give you the revision range used to condense a point, or the changelog that occurred in between two points.</li>
    <li>Tooltips can be dragged around, for easier comparison.</li>
    <li>Some benchmarks use time (lower is better), and some use points (higher is better). We orient all graphs so lower is better, visually.</li>
    <li>Use the "machine" menu to see different computers' benchmark results.</li>
-   <li>Use the "view" menu to drill down into individual benchmarks.</li>
+   <li>Use the "Breakdown" menu to drill down into individual benchmarks.</li>
    <li>You can click and highlight any area of any graph to zoom in. It might pause to download data.</li>
    <li>You can unzoom by double-clicking inside a graph.</li>
    <li>A graph will refresh every 5 minutes if it is not zoomed in and has no attached tooltips.</li>