diff --git a/src/main/webapp/scripts/index.js b/src/main/webapp/scripts/index.js
index 6996adbb7..e1e2f07b8 100644
--- a/src/main/webapp/scripts/index.js
+++ b/src/main/webapp/scripts/index.js
@@ -3,8 +3,9 @@ function onClickUploadFileButton(evt) {
     if (! $.trim(projectName).length) {
         window.alert("You must specify a project name.");
         
-        evt.preventDefault();
-        return false;
+    } else if ($("#project-file-input")[0].files.length === 0) {
+        window.alert("You must specify select a file to upload.");
+        
     } else {
         $("#file-upload-form").attr("action", 
             "/command/create-project-from-upload?" + [
@@ -16,7 +17,12 @@ function onClickUploadFileButton(evt) {
                 "limit=" + $("#limit-input")[0].value,
                 "guess-value-type=" + $("#guess-value-type-input")[0].checked
             ].join("&"));
+            
+        return true;
     }
+    
+    evt.preventDefault();
+    return false;
 }
 
 function formatDate(d) {
diff --git a/src/main/webapp/scripts/project/browsing-engine.js b/src/main/webapp/scripts/project/browsing-engine.js
index 03ff96303..3ff565760 100644
--- a/src/main/webapp/scripts/project/browsing-engine.js
+++ b/src/main/webapp/scripts/project/browsing-engine.js
@@ -59,7 +59,7 @@ BrowsingEngine.prototype._initializeUI = function() {
         '<div class="browsing-panel-help" bind="help">' +
             '<h1>Explore data ...</h1>' +
             '<p>by choosing a facet or filter method from the menus at the top of each column.</p>' +
-            '<p>Not sure how to get started? Watch this screencast.</p>' +
+            '<p>Not sure how to get started? <a href="http://www.vimeo.com/groups/gridworks" target="_blank">Watch these screencasts</a>.</p>' +
         '</div>' +
         '<div class="browsing-panel-header" bind="header">' +
             '<div class="browsing-panel-indicator" bind="indicator">' +
diff --git a/src/main/webapp/scripts/widgets/history-widget.js b/src/main/webapp/scripts/widgets/history-widget.js
index 134dbfc70..ada872e1d 100644
--- a/src/main/webapp/scripts/widgets/history-widget.js
+++ b/src/main/webapp/scripts/widgets/history-widget.js
@@ -39,7 +39,7 @@ HistoryWidget.prototype._render = function() {
             '<div class="history-panel-help" bind="helpDiv">' +
                 '<h1>Don\'t worry ...</h1>' +
                 '<p>about making mistakes. Every change you make will be shown here, and you can undo changes at any point.</p>' +
-                '<p><a href="">Learn more &raquo;</a></p>' +
+                '<p><a href="http://wiki.freebase.com/index.php?title=Gridworks" target="_blank">Learn more &raquo;</a></p>' +
             '</div>' +
             '<div class="history-panel-body" bind="bodyDiv">' +
                 '<div class="history-past" bind="pastDiv"></div>' +