Update README.md

Reflect the updated execution flow

README.md

@@ -49,7 +49,7 @@ And wait for the script to require your input.
 > Enter a query:
 ```
 
-Hit enter. You'll see the LLM print the context it is using from your documents and then the final answer; you can then ask another question without re-running the script, just wait for the prompt again. 
+Hit enter. You'll need to wait 20-30 seconds (depending on your machine) while the LLM model consumes the prompt and prepares the answer. Once done, it will print the answer and the 4 sources it used as context from your documents; you can then ask another question without re-running the script, just wait for the prompt again. 
 
 Note: you could turn off your internet connection, and the script inference would still work. No data gets out of your local environment.