Update chapter5.md

Author: melvincarvalho

chapter5.md

@@ -19,6 +19,8 @@ In this tutorial we will cover how to play a game of chess in reatlime using Sol
 
 The main aspect of this tutorial is realtime updates via websockets.  Solid uses a pub/sub mechanism to allow users to subscribe to a resource, and will send pub updates when one of those resources changes.
 
+Websockets are built into the browser and are started using:
+
 
 
 More Coming soon ...