(AzureCXP) fixes MicrosoftDocs/azure-docs#103717

We have done changes in the line no:152

from: spx synthesize --text "Bienvenue chez moi." --voice fr-CA-Caroline --speakers

To: spx synthesize --text "Bienvenue chez moi." --voice fr-FR-AlainNeural --speakers

Author: RamanathanChinnappan-MSFT

articles/cognitive-services/Speech-Service/spx-basics.md

@@ -149,7 +149,7 @@ spx synthesize --voices
 Here's a command for using one of the voices you've discovered.
 
 ```console
-spx synthesize --text "Bienvenue chez moi." --voice fr-CA-Caroline --speakers
+spx synthesize --text "Bienvenue chez moi." --voice fr-FR-AlainNeural --speakers
 ```
 
 > [!TIP]