diff --git a/leaflet-draw.html b/leaflet-draw.html
index 0f994c8..677f708 100644
--- a/leaflet-draw.html
+++ b/leaflet-draw.html
@@ -16,6 +16,7 @@
 
 	var leafletMap = leafletMap || {};
 
+	/** @polymerBehavior leafletMap.LeafletPath */
 	window.leafletMap.LeafletPath = {
 		/**
 		 * Fired when the user clicks (or taps) the object.
@@ -272,6 +273,7 @@
 		}
 	};
 
+	/** @polymerBehavior leafletMap.LeafletPointContent */
 	window.leafletMap.LeafletPointContent = {
 		attached: function() {
 			if (MutationObserver && !this.observer_) {
diff --git a/leaflet-layer.html b/leaflet-layer.html
index edb1a22..525b011 100644
--- a/leaflet-layer.html
+++ b/leaflet-layer.html
@@ -8,6 +8,8 @@
 "use strict";
 
 var leafletMap = leafletMap || {};
+
+/** @polymerBehavior leafletMap.LeafletILayer */
 window.leafletMap.LeafletILayer = {
 
 	/**
@@ -20,6 +22,7 @@
 	}
 };
 
+/** @polymerBehavior leafletMap.LeafletTileLayer */
 window.leafletMap.LeafletTileLayer = {
 	/**
 	 * Fired when the tile layer starts loading tiles.
diff --git a/leaflet-popup.html b/leaflet-popup.html
index 874cf64..1725cf0 100644
--- a/leaflet-popup.html
+++ b/leaflet-popup.html
@@ -2,6 +2,8 @@
 "use strict";
 
 var leafletMap = leafletMap || {};
+
+/** @polymerBehavior leafletMap.LeafletPopupContent */
 leafletMap.LeafletPopupContent = {
 	attached: function() {
 		if (MutationObserver && !this.observer_) {