--- steps/step-10/index.html	2023-09-11 11:38:25.048667518 +0000
+++ steps/step-11/index.html	2023-09-11 11:38:23.644660675 +0000
@@ -15,6 +15,8 @@
     <script src="../../bower_components/Leaflet.EasyButton/src/easy-button.js"></script>
     <script src="../../bower_components/leaflet.heat/dist/leaflet-heat.js"></script>
     <script src="../../bower_components/Leaflet_EdgeMarker/Leaflet.EdgeMarker.js"></script>
+    <link rel="stylesheet" href="../bower_components/rrose/dist/leaflet.rrose.css"/>
+    <script src="../bower_components/rrose/dist/leaflet.rrose-src.js"></script>
     <style>
       body {
         margin: 0;