Fixing issue 322

What does this MR do and why?

This merge fix the issue #322 by using element.innerText instead of element.innerHTML

Screenshots or screen recordings

How to set up and validate locally

• Put the adequate MOTD with html balise.
• Look that the html is not displayed.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• Have you checked this doesn't interfere/conflict/duplicate someone elses work?
• Have you fully tested your changes?
• Have you resolved any lint issues?
• Have you assigned a reviewer?
• Have you applied correct labels?