Fix JSDoc (#2219)

Author: taueres

lib/browser/events.js

@@ -5,7 +5,7 @@
 exports.EventEmitter = EventEmitter;
 
 /**
- * Object#hasOwnProperty reference.
+ * Object#toString reference.
  */
 var objToString = Object.prototype.toString;
 
@@ -14,7 +14,7 @@ var objToString = Object.prototype.toString;
  *
  * @api private
  * @param {*} val The value to test.
- * @return {boolean} true if the value is a boolean, otherwise false.
+ * @return {boolean} true if the value is an array, otherwise false.
  */
 function isArray(val) {
   return objToString.call(val) === '[object Array]';