diff -r 8e5fcebb9018 -r af85c436048f server/src/app/Libraries/Mappers/CocoonSoundRdfMapper.php
--- a/server/src/app/Libraries/Mappers/CocoonSoundRdfMapper.php	Wed Jan 20 09:56:36 2016 +0100
+++ b/server/src/app/Libraries/Mappers/CocoonSoundRdfMapper.php	Wed Jan 20 16:21:40 2016 +0100
@@ -89,7 +89,7 @@
     }
 
     /**
-     * Build teh webresources
+     * Build the webresource
      */
     protected function mapWebResources($res, $outputGraph) {
 
@@ -105,7 +105,7 @@
         // build master webresources
         $masterReprUrl = $res->get($this->inputGraph->resource('http://crdo.risc.cnrs.fr/schemas/master'));
         if(! is_null($masterReprUrl)) {
-            $masterWebResource = $outputGraph->resource($masterReprUrl, 'edm:WebResources');
+            $masterWebResource = $outputGraph->resource($masterReprUrl, 'edm:WebResource');
             if(!is_null($extent)) {
                 $masterWebResource->addLiteral($outputGraph->resource('http://purl.org/dc/terms/extent'),$extent);
             }
@@ -125,7 +125,7 @@
 
         // build others
         foreach($res->all($this->inputGraph->resource('http://purl.org/dc/terms/isFormatOf')) as $reprUrl) {
-            $webResource = $outputGraph->resource($reprUrl, 'edm:WebResources');
+            $webResource = $outputGraph->resource($reprUrl, 'edm:WebResource');
             if(!is_null($extent)) {
                 $webResource->addLiteral($outputGraph->resource('http://purl.org/dc/terms/extent'),$extent);
             }