--- a/server/src/app/Libraries/Mappers/CocoonAbstractRdfMapper.php	Wed Feb 08 16:38:09 2017 +0100
+++ b/server/src/app/Libraries/Mappers/CocoonAbstractRdfMapper.php	Thu Feb 09 15:05:36 2017 +0100
@@ -135,6 +135,9 @@
         }
     }
 
+    /**
+     * Add a date properties to a resource (providedCHO, WebResource,...)
+     */
     protected function addDateProperties($targetRes, $res, $outputGraph) {
         $this->applyPropertiesToRes($res, $targetRes, [
             ['http://purl.org/dc/terms/available', null],