Clarification on optional parameters and trailing slashes in routes documentation

index.html

@@ -2183,6 +2183,13 @@ var Workspace = Backbone.Router.extend({
       and <tt>"installing"</tt> to the action in the second.
     </p>
 
+    <p>
+      Trailing slashes are treated as part of the URL, and (correctly) treated 
+      as a unique route when accessed. <tt>docs</tt> and <tt>docs/</tt> will fire
+      different callbacks. If you can't avoid generating both types of URLs, you 
+      can define a <tt>"docs(/)"</tt> matcher to capture both cases.
+    </p>
+
     <p>
       When the visitor presses the back button, or enters a URL, and a particular
       route is matched, the name of the action will be fired as an