Update self-description

helpers.js

@@ -12,7 +12,8 @@ module.exports.describeSelf = function (req, res) {
         '/:aoi?/datasets/',
         '/:aoi?/scores/:nuts',
         '/:aoi?/scores',
-        '/georeport/:nuts'
+        '/georeport/:nuts',
+        '/ontology'
       ],
       POST: [
         '/:aoi?/scores',