Index: lib/filterNotifier.js
===================================================================
--- a/lib/filterNotifier.js
+++ b/lib/filterNotifier.js
@@ -13,19 +13,21 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 "use strict";
 
 /**
- * @fileOverview This component manages listeners and calls them to distributes
+ * @fileOverview This component manages listeners and calls them to distribute
  * messages about filter changes.
  */
 
 const {EventEmitter} = require("./events");
 
 /**
- * This class allows registering and triggering listeners for filter events.
- * @class
+ * This object allows registering and triggering listeners for filter events.
+ * @type {EventEmitter}
  */
-exports.FilterNotifier = Object.create(new EventEmitter());
+let filterNotifier = new EventEmitter();
+
+exports.filterNotifier = filterNotifier;