diff --git a/lib/OpenLayers/Map.js b/lib/OpenLayers/Map.js
index f686fbb302..1dd91f9267 100644
--- a/lib/OpenLayers/Map.js
+++ b/lib/OpenLayers/Map.js
@@ -151,6 +151,12 @@ OpenLayers.Map.prototype = {
         }
         this.layers.push(layer);
 
+        // hack hack hack - until we add a more robust layer switcher,
+        //   which is able to determine which layers are base layers and 
+        //   which are not (and put baselayers in a radiobutton group and 
+        //   other layers in checkboxes) this seems to be the most straight-
+        //   forward way of dealing with this. 
+        //
         if (layer.isBaseLayer()) {
             this.baseLayer = layer;
         }