Changes for connection string information (Azure-Samples#17)

* Clarifications steps and corrections in ReadMe

* Corrections

* More clarification on the connection string

* Update README.MD

Co-authored-by: ddematheu2 <43075365+ddematheu2@users.noreply.github.com>

ServerRecording/README.MD

@@ -15,14 +15,14 @@ It's a Java web application powered by Spring Boot to connect this application w
 
 ## Prerequisites
 
+- [Create an Azure Communication Resource](https://docs.microsoft.com/azure/communication-services/quickstarts/create-communication-resource). You'll need to record your resource\'s **connection string** for this quickstart.
 - [Visual Studio Code](https://code.visualstudio.com/download)
 - [Java Development Kit (JDK) version 11 or above](https://docs.microsoft.com/azure/developer/java/fundamentals/java-jdk-install)
 - [Apache Maven](https://maven.apache.org/download.cgi)
 - [Spring Boot framework v- 2.5.0](https://spring.io/projects/spring-boot)
 - [Docker desktop](https://www.docker.com/products/docker-desktop)
 - An Azure account with an active subscription. For details, see here to [create an account for free](https://azure.microsoft.com/free/?WT.mc_id=A261C142F).
 - [Create container registry](https://docs.microsoft.com/azure/developer/java/spring-framework/deploy-spring-boot-java-app-on-linux#create-an-azure-container-registry-to-use-as-a-private-docker-registry)
-- [Create an Azure Communication Resource](https://docs.microsoft.com/azure/communication-services/quickstarts/create-communication-resource). You'll need to record your resource\'s **connection string** for this quickstart.
 - [Create a webhook](https://docs.microsoft.com/azure/communication-services/quickstarts/voice-video-calling/download-recording-file-sample) and subscribe to the recording events.
 
 

send-sms-quickstart/README.md

@@ -29,8 +29,8 @@ For full instructions on how to build this code sample from scratch, look at [Qu
 
 1. Open an instance of PowerShell, Windows Terminal, Command Prompt or equivalent and navigate to the directory that you'd like to clone the sample to.
 2. `git clone https://github.com/Azure-Samples/communication-services-java-quickstarts.git`
-3.  With the Communication Services procured in pre-requisites, add connection string with the access key in the code at line no 24
-    ```String connectionString = "https://<resource-name>.communication.azure.com/;<access-key>";```.
+3. With the Communication Services procured in pre-requisites, add connection string in the code at line no 24
+    ```String connectionString = "ACS_Connection_String";```.
 4.  With the SMS enabled telephone number procured in pre-requisites, add it to the **App.java** file. Assign your ACS telephone number and sender numbers at line 46 and 47.
 
 ## Run the code

send-sms-quickstart/src/main/java/com/communication/quickstart/App.java

@@ -21,7 +21,7 @@ public static void main( String[] args )
 						//.buildClient();
 
 		// You can find your connection string from your resource in the Azure portal
-		String connectionString = "https://<resource-name>.communication.azure.com/;<access-key>";
+		String connectionString = "ACS_Connection_String";
 
 		SmsClient smsClient = new SmsClientBuilder()
 					.connectionString(connectionString)