text<br> issue

### Existing documentation URL(s)

https://developers.cloudflare.com/fundamentals/api/how-to/account-owned-token-template/#3-url-encode-the-json

### What changes are you suggesting?

there are multiple `text<br>` and `</br>` in sample URLs. 

### Additional information

_No response_

_(pedrosousa: Edited for readability)_