diff --git a/src/as/com/threerings/util/Config.as b/src/as/com/threerings/util/Config.as
index a265588a2..f7cdbdaa2 100644
--- a/src/as/com/threerings/util/Config.as
+++ b/src/as/com/threerings/util/Config.as
@@ -45,6 +45,9 @@ public class Config extends EventDispatcher
         setPath(path);
     }
 
+    /**
+     * Set the path, if null then we aren't persisting settings.
+     */
     public function setPath (path :String) :void
     {
         _so = (path == null) ? null : SharedObject.getLocal("config_" + path, "/");
@@ -56,6 +59,14 @@ public class Config extends EventDispatcher
         }
     }
 
+    /**
+     * Are we persisting settings?
+     */
+    public function isPersisting () :Boolean
+    {
+        return (_so != null);
+    }
+
     /**
      * Fetches and returns the value for the specified configuration property.
      */