diff --git a/node_modules/ws/lib/event-target.js b/node_modules/ws/lib/event-target.js
index d38e1f2..a6fbe72 100644
--- a/node_modules/ws/lib/event-target.js
+++ b/node_modules/ws/lib/event-target.js
@@ -10,7 +10,8 @@ class Event {
    * Create a new `Event`.
    *
    * @param {String} type The name of the event
-   * @param {Object} target A reference to the target to which the event was dispatched
+   * @param {Object} target A reference to the target to which the event was
+   *     dispatched
    */
   constructor(type, target) {
     this.target = target;
@@ -29,7 +30,8 @@ class MessageEvent extends Event {
    * Create a new `MessageEvent`.
    *
    * @param {(String|Buffer|ArrayBuffer|Buffer[])} data The received data
-   * @param {WebSocket} target A reference to the target to which the event was dispatched
+   * @param {WebSocket} target A reference to the target to which the event was
+   *     dispatched
    */
   constructor(data, target) {
     super('message', target);
@@ -48,9 +50,12 @@ class CloseEvent extends Event {
   /**
    * Create a new `CloseEvent`.
    *
-   * @param {Number} code The status code explaining why the connection is being closed
-   * @param {String} reason A human-readable string explaining why the connection is closing
-   * @param {WebSocket} target A reference to the target to which the event was dispatched
+   * @param {Number} code The status code explaining why the connection is being
+   *     closed
+   * @param {String} reason A human-readable string explaining why the
+   *     connection is closing
+   * @param {WebSocket} target A reference to the target to which the event was
+   *     dispatched
    */
   constructor(code, reason, target) {
     super('close', target);
@@ -71,7 +76,8 @@ class OpenEvent extends Event {
   /**
    * Create a new `OpenEvent`.
    *
-   * @param {WebSocket} target A reference to the target to which the event was dispatched
+   * @param {WebSocket} target A reference to the target to which the event was
+   *     dispatched
    */
   constructor(target) {
     super('open', target);
@@ -89,7 +95,8 @@ class ErrorEvent extends Event {
    * Create a new `ErrorEvent`.
    *
    * @param {Object} error The error that generated this event
-   * @param {WebSocket} target A reference to the target to which the event was dispatched
+   * @param {WebSocket} target A reference to the target to which the event was
+   *     dispatched
    */
   constructor(error, target) {
     super('error', target);
@@ -111,11 +118,11 @@ const EventTarget = {
    *
    * @param {String} type A string representing the event type to listen for
    * @param {Function} listener The listener to add
-   * @param {Object} options An options object specifies characteristics about
+   * @param {Object} [options] An options object specifies characteristics about
    *     the event listener
-   * @param {Boolean} options.once A `Boolean`` indicating that the listener
-   *     should be invoked at most once after being added. If `true`, the
-   *     listener would be automatically removed when invoked.
+   * @param {Boolean} [options.once=false] A `Boolean`` indicating that the
+   *     listener should be invoked at most once after being added. If `true`,
+   *     the listener would be automatically removed when invoked.
    * @public
    */
   addEventListener(type, listener, options) {