fix ntfy selfhosted docs

docs/docs/messaging/index.md

@@ -198,13 +198,16 @@ Once setup, the server will offer users the "Pushover" option when setting up me
 No setup is reqired to enable this. When using ntfy, make sure you use a suffisently random topic name so that others can't guess the name and subscribe to it to receive your messages.
 
 For [self-hosting your own ntfy server](https://ntfy.sh/docs/install/) with [ACL support](https://ntfy.sh/docs/config/#access-control)
+
+You can set `host` to the DNS name of your server, `userurl` to the url to provide to users to setup access to your server and `authorization` to the Basic base64 User+Pass authenttication for your server
+
 ```json
 {
   "messaging": {
     "ntfy": {
-      "host": "https://[my]ntfy.sh",
-      "userurl": "https://[my]ntfy.sh/userhelp",
-      "authorization": "Basic cGhpbDpteXBhc3M=" 
+      "host": "myntfyserver.com",
+      "userurl": "https://myntfyserver.com/userhelp",
+      "authorization": "Basic cGhpbDpteXBhc3M="
     }
   }
 }