diff --git a/Using-a-Reverse-Proxy-with-Paperless-ngx.md b/Using-a-Reverse-Proxy-with-Paperless-ngx.md
index b9f68a1..00d6f49 100644
--- a/Using-a-Reverse-Proxy-with-Paperless-ngx.md
+++ b/Using-a-Reverse-Proxy-with-Paperless-ngx.md
@@ -30,19 +30,21 @@ http {
             proxy_set_header X-Real-IP $remote_addr;
             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
             proxy_set_header X-Forwarded-Host $server_name;
-            add_header P3P 'CP=""'; # may not be required in all setups
+            add_header Referrer-Policy "strict-origin-when-cross-origin";
         }
     }
 }
 ```
 
 The `PAPERLESS_URL` configuration variable is also required when using a
-reverse proxy. Please refer to the [hosting and security](https://docs.paperless-ngx.com/configuration/#hosting-and-security) docs.
+reverse proxy; consider setting `USE_X_FORWARD_HOST=true` and `USE_X_FORWARD_PORT=true`. Please refer to the [hosting and security](https://docs.paperless-ngx.com/configuration/#hosting-and-security) docs.
 
 Also read
 [this](https://channels.readthedocs.io/en/stable/deploying.html#nginx-supervisor-ubuntu),
 towards the end of the section.
 
+Some have found adding the P3P header (`add_header P3P 'CP=""';` see [#817](https://github.com/paperless-ngx/paperless-ngx/issues/817)) works; only [IE and Edge](https://en.wikipedia.org/wiki/P3P) support it.
+
 # Apache
 
 Below is an example of an apache2 conf file that you may customize to fit your environment and needs.