Make JSDocs follow general conventions (#582)

* Make JSDocs follow usual conventions

* Fix StringResolvable name

* Make function lowercase

src/client/voice/dispatcher/StreamDispatcher.js

@@ -26,7 +26,7 @@ class StreamDispatcher extends EventEmitter {
   /**
   * Emitted when the dispatcher starts/stops speaking
   * @event StreamDispatcher#speaking
-  * @param {Boolean} value whether or not the dispatcher is speaking
+  * @param {boolean} value whether or not the dispatcher is speaking
   */
   _setSpeaking(value) {
     this.speaking = value;
@@ -129,7 +129,7 @@ class StreamDispatcher extends EventEmitter {
     /**
     * Emitted when the stream wants to give debug information.
     * @event StreamDispatcher#debug
-    * @param {String} information the debug information
+    * @param {string} information the debug information
     */
     this.emit('debug', `triggered terminal state ${state} - stream is now dead`);
     this._triggered = true;
@@ -172,7 +172,7 @@ class StreamDispatcher extends EventEmitter {
 
   /**
    * Stops the current stream permanently and emits an `end` event.
-   * @returns {null}
+   * @returns {void}
    */
   end() {
     this._triggerTerminalState('end', 'user requested');
@@ -180,7 +180,7 @@ class StreamDispatcher extends EventEmitter {
 
   /**
    * Stops sending voice packets to the voice connection (stream may still progress however)
-   * @returns {null}
+   * @returns {void}
    */
   pause() {
     this._pause(true);
@@ -188,7 +188,7 @@ class StreamDispatcher extends EventEmitter {
 
   /**
    * Resumes sending voice packets to the voice connection (may be further on in the stream than when paused)
-   * @returns {null}
+   * @returns {void}
    */
   resume() {
     this._pause(false);