diff --git a/chrome/chrome.d.ts b/chrome/chrome.d.ts
index e56f42660..c1c92d3a7 100755
--- a/chrome/chrome.d.ts
+++ b/chrome/chrome.d.ts
@@ -7021,13 +7021,22 @@ declare module chrome.tabs {
 ////////////////////
 // Top Sites
 ////////////////////
+/**
+ * Use the chrome.topSites API to access the top sites that are displayed on the new tab page. 
+ * Permissions:  "topSites"   
+ * @since Chrome 19.
+ */
 declare module chrome.topSites {
+	/** An object encapsulating a most visited URL, such as the URLs on the new tab page. */
 	interface MostVisitedURL {
+		/** The most visited URL. */
 		url: string;
+		/** The title of the page */
 		title: string;
 	}
 
-	export function get(callback: (data: MostVisitedURL) => void): void;
+	/** Gets a list of top sites. */    
+	export function get(callback: (data: MostVisitedURL[]) => void): void;
 }
 
 ////////////////////