Change "sorry I couldn't understand that" with "sorry"

I got a number of ESP32’s and they work really well. With a little effort I was able to get about a 95% success rate with the wake word. However sometimes it doesn’t understand me. I would like to just shorten the response to simply “sorry” instead of hearing “sorry I couldn’t understand that”. Does anyone know how to do that or if it’s possible?

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In your config directory create a new directory structure: custom_sentences/en/ (replace en with your language code if different).
In this dir create a create a file named _common.yaml and add this code.

Note I also shortened the Sorry, I am not aware of any device called .... response when the entity is not found.

language: "en"
responses:
  errors:
    no_intent: "Sorry"
    no_entity: "No device called {{ entity }}"

Then restart Home Assistant

Find out what message you want to override in
https://github.com/home-assistant/intents/blob/d074a88160ae1f29297cf2dded2344277a980fd5/sentences/en/_common.yaml

The default Sorry, I couldn't understand that message seems to be the no_intents ‘General errors’ which you see at the top of that file.