Update README.md

README.md

@@ -357,10 +357,10 @@ Percentage of the requests served within a certain time (ms)
 [Source code](https://github.com/walkor/workerman-chat)  
 ![workerman-chat](http://www.workerman.net/img/workerman-chat.png)  
 
-## [PHPSocket.IO](https://github.com/walkor/phpsocket.io)
-[Live demo](http://www.workerman.net/demos/phpsocketio-chat/)
-[Source code](https://github.com/walkor/phpsocket.io)
-![phpsocket.io](http://www.workerman.net/img/socket.io.png)
+## [PHPSocket.IO](https://github.com/walkor/phpsocket.io)  
+[Live demo](http://www.workerman.net/demos/phpsocketio-chat/)  
+[Source code](https://github.com/walkor/phpsocket.io)  
+![phpsocket.io](http://www.workerman.net/img/socket.io.png)  
 
 ## [statistics](http://www.workerman.net:55757/)  
 [Live demo](http://www.workerman.net:55757/)