make example match audio sample

Author: jyecusch

docs/guides/python/ai-podcast-part-1.mdx

@@ -230,7 +230,7 @@ nitric start
 Once its up and running we can test out our API by running:
 
 ```bash
-curl -X POST http://localhost:8080/audio/test -d "Hello, this is a test of the audio generation system"
+curl -X POST http://localhost:8080/audio/test -d "Okay this is cool, but let's wait and see what comes next"
 ```
 
 Or you can use your favorite API client to test it out.