Ongoing development.

src/Netzmacht/Contao/Leaflet/Subscriber/EncoderSubscriber.php

@@ -47,8 +47,9 @@ class EncoderSubscriber implements EventSubscriberInterface
 
         if ($object instanceof Map) {
             $attribution = <<<HTML
-map.map.attributionControl.addAttribution(
-    '<a href="http://www.netzmacht.de/contao-leaflet">netzmacht <em>creative</em></a>'
+map.map.attributionControl.setPrefix(
+    '<a href="http://www.leafletjs.com" title="A JS library for interactive maps">Leaflet</a> | ' +
+    '<a href="http://www.netzmacht.de/contao-leaflet" title="Leaflet extension for Contao CMS">netzmacht <em>creative</em></a>'
 );
 HTML;
             $event->getOutput()->addLine($attribution);