DOC: updated readme

README.md

@@ -39,8 +39,7 @@ Variable precendence is as followed (from greatest to least, means the first sou
 ```
 Example help (`h` / `--help`) output:
 ```
-usage: test2.py [-h] [--auth-config AUTH_CONFIG] [--base-url BASE_URL]
-                [--version VERSION] [--token TOKEN]
+usage: test.py [-h] [--auth-config AUTH_CONFIG] [--endpoint ENDPOINT] [--base-url BASE_URL] [--version VERSION] [--token TOKEN]
 
 Argument Parser for netdb_client
 
@@ -48,10 +47,14 @@ optional arguments:
   -h, --help            show this help message and exit
   --auth-config AUTH_CONFIG
                         config file path (default: /Users/dominik/.config/netdb_client.ini)
+  --endpoint ENDPOINT, -e ENDPOINT
+                        endpoint to use.
+                        Environment: "NETDB_ENDPOINT"
+                        Config: [DEFAULT]: endpoint
   --base-url BASE_URL, -b BASE_URL
                         webapi server.
                         Environment: "NETDB_BASE_URL"
-                        Config: [DEFAULT]: endpoint
+                        Config: [$endpoint]: base_url
   --version VERSION     webapi version.
                         Environment: "NETDB_VERSION"
                         Config: [$endpoint]: version