Adding in a note about Backbone.history.start() returning a boolean for whether or not a match has been found in the current URL fragment. Thanks to XiXora for the recommendation.

index.html

@@ -1553,6 +1553,12 @@ openPage: function(pageNumber) {
       and all of the routes are set up properly, call <tt>Backbone.history.start()</tt>
       to begin monitoring <tt>hashchange</tt> events, and dispatching routes.
     </p>
+    
+    <p>
+      When called, if a route succeeds with a match for the current URL, 
+      <tt>Backbone.history.start()</tt> returns <tt>true</tt>. If no defined 
+      routes matches the current URL fragment, it returns <tt>false</tt>.
+    </p>
 
 <pre>
 $(function(){