--- a/src/pyams_content/features/renderer/zmi/templates/renderer-input.pt	Wed Mar 27 09:05:55 2019 +0100
+++ b/src/pyams_content/features/renderer/zmi/templates/renderer-input.pt	Mon Apr 08 13:36:24 2019 +0200
@@ -4,7 +4,7 @@
 			class="icon-append fa fa-fw fa-pencil-square-o text-primary inverted hint align-base opaque"
 			title="Edit renderer properties" i18n:attributes="title"
 			data-ams-hint-gravity="se" data-toggle="modal"
-			data-ams-url="${tales:absolute_url(context, 'renderer-properties.html')"></i>
+			data-ams-url="${tales:absolute_url(context, 'renderer-properties.html')}"></i>
 		<i tal:condition="not:render"
 			class="icon-append fa fa-fw fa-pencil-square-o opacity-25"></i>
 	</tal:var>