How do I get nginx `try_files` to only serve the non-.html version?

Question

According to this answer, the directive:

try_files $uri.html $uri/ =404;

Is supposed to make it so that

only one copy of the resource is served (that with no .html extension)

However, I have this directive in my config:

 server {
  listen 443 ssl default_server;
  listen [::]:443 ssl;

  server_name waynewerner.com www.waynewerner.com;

  ssl_certificate       /etc/letsencrypt/live/www.waynewerner.com/fullchain.pem;
  ssl_certificate_key   /etc/letsencrypt/live/www.waynewerner.com/privkey.pem;

  index index.html;
  root /var/www/waynewerner.com/site/;
  try_files $uri.html $uri/ =404;

  location ^~ /blog {
    alias /usr/share/blog/output;
    break;
  }

  location /.well-known {
    allow all;
    root /var/www/;
  }

  location /.hg {
    deny all;
    return 404;
  }
}

But you'll notice that you can go to both:

• https://waynewerner.com/photography
• https://waynewerner.com/photography.html

(At least that's how they appear in my Google Chrome address bar).

Is this something to worry about, or is Nginx doing the right thing?