From 76881d4404b1873b84ab074b74f96a93919240e7 Mon Sep 17 00:00:00 2001
From: Carcraftz <40304589+Carcraftz@users.noreply.github.com>
Date: Mon, 15 Oct 2018 17:32:49 -0400
Subject: [PATCH] Added the reason to use socket.io over pure websockets
 (#18816)

---
 client/src/pages/guide/english/nodejs/socket.io/index.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/client/src/pages/guide/english/nodejs/socket.io/index.md b/client/src/pages/guide/english/nodejs/socket.io/index.md
index 558a64b02d..da7bd3bd97 100644
--- a/client/src/pages/guide/english/nodejs/socket.io/index.md
+++ b/client/src/pages/guide/english/nodejs/socket.io/index.md
@@ -4,7 +4,7 @@ title: Socket.io
 
 ## Socket.io
 
-[Socket.io](https://socket.io/) is a Node.js library made to help make real-time communication between computers possible. To ensure this Socket.io uses WebSockets to establish a connection between the client's browser and the server. This library uses [Engine.IO](https://github.com/socketio/engine.io) for building the connection.
+[Socket.io](https://socket.io/) is a Node.js library made to help make real-time communication between computers possible. To ensure this Socket.io uses a combination of WebSockets and Polling to establish a connection between the client's browser and the server. This allows it to work on older browsers that may not support pure websockets. This library uses [Engine.IO](https://github.com/socketio/engine.io) for building the connection.
 
 ### Demos
 
@@ -27,4 +27,4 @@ A [get started](https://socket.io/get-started/chat/) guide can also be found on
 
 More information about Socket.io and it's documentation can be found at:
 - [Socket.io](https://socket.io/)
-- [Socket.io Documentation](https://socket.io/docs/)
\ No newline at end of file
+- [Socket.io Documentation](https://socket.io/docs/)