@@ -90,8 +90,9 @@ public void onWebsocketPong( WebSocket conn, Framedata f ) {
 
 	/**
 	 * Default implementation for onPreparePing, returns a (cached) PingFrame that has no application data.
-	 *
 	 * @see org.java_websocket.WebSocketListener#onPreparePing(WebSocket)
+	 *
+	 * @param conn The <tt>WebSocket</tt> connection from which the ping frame will be sent.
 	 * @return PingFrame to be sent.
 	 */
 	@Override
 
@@ -173,6 +173,7 @@ public interface WebSocketListener {
 	/**
 	 * Called just before a ping frame is sent, in order to allow users to customize their ping frame data.
 	 *
+	 * @param conn The <tt>WebSocket</tt> connection from which the ping frame will be sent.
 	 * @return PingFrame to be sent.
 	 */
 	PingFrame onPreparePing(WebSocket conn );
Original file line number	Diff line number	Diff line change
`@@ -173,6 +173,7 @@ public interface WebSocketListener {`
`173`	`173`	`/**`
`174`	`174`	`* Called just before a ping frame is sent, in order to allow users to customize their ping frame data.`
`175`	`175`	`*`
	`176`	`+ * @param conn The <tt>WebSocket</tt> connection from which the ping frame will be sent.`
`176`	`177`	`* @return PingFrame to be sent.`
`177`	`178`	`*/`
`178`	`179`	`PingFrame onPreparePing(WebSocket conn );`