https://www.elastic.co/docs/reference/kibana/configuration-reference/fleet-settings

### Before you submit

- [x] This issue is about a documentation page, flow, or piece of content.

### Type of issue

Inaccurate

### What documentation page or section is affected

https://www.elastic.co/docs/reference/kibana/configuration-reference/fleet-settings

### What happened?

There is a key:
xpack.fleet.outputs[n].secrets.key
But in sumple above and kibana also accepted:

```
...
secrets:
ssl:
key: securekey
```

shouldnt it be: xpack.fleet.outputs[n].secrets.ssl.key ?

### Additional info

_No response_