From 984cd6bcc524a516ee98a91fef470bf368b65499 Mon Sep 17 00:00:00 2001
From: bozdoz <howaboutben+github@gmail.com>
Date: Wed, 26 May 2021 11:46:27 -0300
Subject: [PATCH] Update README.md

---
 README.md | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index ec89efd..65a59b5 100644
--- a/README.md
+++ b/README.md
@@ -330,8 +330,15 @@ function fs_leaflet_loaded() {
       return;
     }
 
-    // iterate any of these: `maps`, `markers`, `markergroups`, `lines`, `circles`, `geojsons`
+    // iterate any of these arrays: `maps`, `markers`, `lines`, `circles`, `geojsons`
     var maps = window.WPLeafletMapPlugin.maps;
+    
+    // Note: `markergroups` is an *object*. If you'd like to iterate it, you can do it like this:
+    // var markergroups = window.WPLeafletMapPlugin.markergroups;
+    // var keys = Object.keys(markergroups);
+    // for (var i = 0, len = keys.length; i < len; i++) {
+    //   var markergroup = markergroups[keys[i]];
+    // }
 
     for (var i = 0, len = maps.length; i < len; i++) {
       var map = maps[i];