chore(telemetry): document reporting telemetry is disabled by default (…

…#1624)

camunda/camunda-bpm-platform#4234
(cherry picked from commit e5f267c)

content/introduction/telemetry.md

@@ -11,7 +11,7 @@ menu:
 ---
 
 
-At Camunda, we strive to offer an excellent user experience at a high and stable level. On a strict opt-in basis, we are looking to collect environment and usage data to further improve the user experience for you. These insights help us to understand typical environment setups and product usage patterns and will be used to make informed product improvement decisions to your benefit.
+At Camunda, we strive to offer an excellent user experience at a high and stable level. On a strict opt-in basis, we are looking to collect environment and usage data to further improve the user experience for you. These insights help us to understand typical environment setups and product usage patterns and will be used to make informed product improvement decisions to your benefit. Since Camunda 7.21, reporting telemetry data is disabled by default.
 
 ## Design
 

content/reference/deployment-descriptors/tags/process-engine.md

@@ -894,9 +894,13 @@ The following is a list with the most commonly used process engine configuration
     <td><code>initializeTelemetry</code></td>
     <td>boolean</td>
     <td>
-        <p>Sets the initial property value of telemetry configuration only once when it has never been enabled/disabled before. If enabled, information about the setup and usage of the process engine is sent to remote Camunda servers for the sake of analytical evaluation. It can be enabled/disabled later via Java/{{< restref page="configureTelemetry" text="REST" tag="Telemetry" >}} API.
+        <p>Sets the initial property value of telemetry configuration only once when it has never been enabled/disabled before. If enabled, information about the setup and usage of the process engine is sent to remote Camunda servers for the sake of analytical evaluation. It can be enabled/disabled later via 
+        <a href="{{< ref "/introduction/telemetry.md#how-to-enable-telemetry" >}}">Java API, REST API, and Admin web application</a>.
         <p>
           For more information and a complete list of the data that is collected, please check the <a href="{{< ref "/introduction/telemetry.md" >}}">Telemetry</a> page.
+        </p>
+          Default value: <code>false</code>
+        <p>
         </p>
         <h6>
           <strong>Legal note:</strong>