diff --git a/README.md b/README.md
index c3a8d4a..d8cc52b 100644
--- a/README.md
+++ b/README.md
@@ -82,6 +82,7 @@ ps aux | aichat 'which process use the most memory'
 Using roles:
 ```
 aichat -r short "tcp port of mysql"
+./tools/speech.sh synthesize --play --lang en --voice bryce "$(aichat -r english-translator 'Bienvenue dans le monde de l\' AI et de la ligne de commande.')"
 ```
 
 Go to the [AIChat](https://github.com/sigoden/aichat) website for other possible use cases.