update usage

README.md

@@ -26,8 +26,7 @@ and [dxFeed Java API](https://docs.dxfeed.com/dxfeed/api/overview-summary.html)
 - [Documentation](#documentation)
 - [Requirements](#requirements)
 - [Usage](#usage)
-    * [How to connect to demo](#how-to-connect-to-demo)
-    * [How to connect with token based authorization](#how-to-connect-with-token-based-authorization)
+    * [How to connect to QD endpoint](#how-to-connect-to-QD-endpoint)
     * [How to connect to dxLink](#how-to-connect-to-dxlink)
 - [Tools](#tools)
 - [Samples](#samples)
@@ -127,7 +126,7 @@ Is supported in the Rosetta 2 x64 emulator.
 [iOS]: https://support.apple.com/ios
 
 ## Usage
-### How to connect to demo
+### How to connect to QD endpoint
 ```swift
 class Listener: DXEventListener {
     func receiveEvents(_ events: [MarketEvent]) {
@@ -137,6 +136,8 @@ class Listener: DXEventListener {
     }
 }
 
+// For token-based authorization, use the following address format:
+// "demo.dxfeed.com:7300[login=entitle:token]"
 let endpoint = try DXEndpoint.builder()
     .withProperty("dxfeed.address", "demo.dxfeed.com:7300")
     .build()
@@ -167,42 +168,6 @@ Quote{AAPL, eventTime=0, time=20231130-123206.000, timeNanoPart=0, sequence=0, b
 
 </details>
 
-### How to connect with token-based authorization
-```swift
-// For token-based authorization, use the following address format:
-// "demo.dxfeed.com:7300[login=entitle:token]"
-let endpoint = try DXEndpoint.builder()
-    .withProperty("dxfeed.address", "demo.dxfeed.com:7300[login=entitle:token]")
-    .build()
-let subscription = try endpoint.getFeed()?.createSubscription(EventCode.quote)
-let eventListener = Listener()
-try subscription?.add(listener: eventListener)
-try subscription?.addSymbols("AAPL")
-wait(seconds: 2)
-```
-<details>
-<summary>Output</summary>
-<br>
-
-```
-I 231130 125257.772 [main] QD - Using QDS-3.325+file-UNKNOWN, (C) Devexperts
-I 231130 125257.776 [main] QD - Using scheme com.dxfeed.api.impl.DXFeedScheme slfwemJduh1J7ibvy9oo8DABTNhNALFQfw0KmE40CMI
-I 231130 125257.779 [main] MARS - Started time synchronization tracker using multicast 239.192.51.45:5145 with BTRAu
-I 231130 125257.783 [main] MARS - Started JVM self-monitoring
-I 231130 125257.783 [main] QD - monitoring with collectors [Ticker, Stream, History]
-I 231130 125257.784 [main] QD - monitoring DXEndpoint with dxfeed.address=demo.dxfeed.com:7300[login=entitle:token]
-I 231130 125257.785 [main] EntitleLoginHandlerFactory - Registering auth scheme 'entitle'
-I 231130 125257.785 [main] EntitleLoginHandlerFactory - Using auth scheme 'entitle' with token: token
-I 231130 125257.786 [main] ClientSocket-Distributor - Starting ClientSocketConnector to demo.dxfeed.com:7300
-I 231130 125257.786 [demo.dxfeed.com:7300-Reader] ClientSocketConnector - Resolving IPs for demo.dxfeed.com
-I 231130 125257.787 [demo.dxfeed.com:7300-Reader] ClientSocketConnector - Connecting to 208.93.103.170:7300
-I 231130 125257.891 [demo.dxfeed.com:7300-Reader] ClientSocketConnector - Connected to 208.93.103.170:7300
-D 231130 125257.995 [demo.dxfeed.com:7300-Reader] QD - Distributor received protocol descriptor multiplexor@fFLro [type=qtp, version=QDS-3.319, opt=hs, mars.root=mdd.demo-amazon.multiplexor-demo1] sending [TICKER, STREAM, HISTORY, DATA] from 208.93.103.170
-Quote{AAPL, eventTime=0, time=20231130-123452.000, timeNanoPart=0, sequence=0, bidTime=20231130-123451.000, bidExchange=K, bidPrice=189.47, bidSize=3.0, askTime=20231130-123452.000, askExchange=P, askPrice=189.53, askSize=9.0}
-```
-
-</details>
-
 ### How to connect to dxLink
 ```swift
 try SystemProperty.setProperty("dxfeed.experimental.dxlink.enable", "true")