diff --git a/imagedialog.js b/imagedialog.js
index 3ebfff5..ed7d73f 100644
--- a/imagedialog.js
+++ b/imagedialog.js
@@ -118,7 +118,7 @@ goog.editor.plugins.ImageDialog.prototype.createContent_ = function() {
       {size: 25, value: MSG_IMAGE_PLUGIN_DIALOG_SAMPLE});
   /** @desc Prompt telling the user to enter a Image URL. */
   var MSG_IMAGE_PLUGIN_DIALOG_PROMPT =
-      goog.getMsg('Enter the url to the image');
+      goog.getMsg('Enter the URL to the image');
   return this.dom.$dom(goog.dom.TagName.DIV,
                        null,
                        [MSG_IMAGE_PLUGIN_DIALOG_PROMPT, this.input_]);
diff --git a/imageplugindialog.js b/imageplugindialog.js
index 01f99ac..fa39441 100644
--- a/imageplugindialog.js
+++ b/imageplugindialog.js
@@ -79,7 +79,10 @@ goog.editor.plugins.ImageDialogPlugin.prototype.handleOk_ = function(e) {
 	
 	// Grab the url of the image off of the event.
 	image.src = e.message;
-	
+
+    // Set empty "alt" attribute.
+    image.alt = '';
+
 	// We want to insert the image in place of the user's selection.
 	// So we restore it first, and then use it for insertion.
 	this.restoreOriginalSelection();