(Azure CXP) Fixing command

Fixing command for getting Connection String.
Resolves : https://github.com/MicrosoftDocs/azure-docs/issues/96088

Author: AshokPeddakotla-MSFT

includes/quickstart-control-device-java.md

@@ -85,7 +85,7 @@ You also need a _service connection string_ to enable the back-end application t
 **YourIoTHubName**: Replace this placeholder below with the name you chose for your IoT hub.
 
 ```azurecli-interactive
-az iot hub connection-string show --policy-name service --name {YourIoTHubName} --output table
+az iot hub connection-string show --policy-name service --hub-name {YourIoTHubName} --output table
 ```
 
 Make a note of the service connection string, which looks like: