### Body

In Admin -> Providers view
The description shows a `<br>`
<img width="1286" alt="Screenshot 2023-08-11 at 21 54 25" src="https://github.com/apache/airflow/assets/45845474/2cdba81e-9cea-4ed4-8420-1e9ab4c2eee2">


### Committer

- [X] I acknowledge that I am a maintainer/committer of the Apache Airflow project.
"""
    Some endpoints are called by javascript,
    returning json will allow us to more elegantly handle side-effects in-page.
    """
    if request.headers.get("Accept") == "application/json":
        if status == "error" and status_code == 200:
            status_code = 500
        return Response(response=msg, status=status_code, mimetype="application/json")
    else:
        if status:
            flash(msg, status)
        else:
            flash(msg)
        return redirect(origin)
def not_found(error):
    """Show Not Found on screen for any error in the Webserver."""
    return (
        render_template(
            "airflow/error.html",
            hostname=get_hostname() if conf.getboolean("webserver", "EXPOSE_HOSTNAME") else "redact",
            status_code=404,
            error_message="Page cannot be found.",
        ),
        404,
    )
def method_not_allowed(error):