fix servername config

README.md

@@ -19,15 +19,13 @@ Default DB is SQLite.
 
 3. (optional) Set db in config: `nano ${BASEDIR:-.}/files/synapse/homeserver.yaml`
 4. Edit element config: `nano ${BASEDIR:-.}/files/element-config.json`
-   1. set "default_server_name" to your domain for Synapse 
-    - must be manually add in first indention from json, was removed from newer versions (?)
+   1. set "server_name" to your domain for Synapse 
 ```json
 {
-    "default_server_name": "ao-it.net",
     "default_server_config": {
         "m.homeserver": {
             "base_url": "https://ao-it.net",
-            "server_name": "matrix.org"
+            "server_name": "ao-it.net"
         },
 ...
 ```