Fixes for the App Role guide.

docs/vault-userpass.md

@@ -5,7 +5,7 @@ This guide shows how an administrator configures the Vault userpass authenticati
 ## Prerequisites
 
 - The Vault PKI configured as described in step 1a of the main `README.md`: the `pki_int` mount and the `wif-client` role (`vault_configure.sh`).
-- A Vault server reachable over HTTPS. The examples use `https://vault.example.com:8200`.
+- A Vault server reachable over HTTPS. The examples use `https://vault.koszewscy.waw.pl`.
 - `vault` and `openssl` on the workstation of the administrator and of the user, and Node.js 24 or later on the workstation of the administrator.
 
 The commands are written for bash.
@@ -17,7 +17,7 @@ Role: **Administrator**
 Point the CLI at the server and authenticate with an administrator token:
 
 ```bash
-export VAULT_ADDR=https://vault.example.com:8200
+export VAULT_ADDR=https://vault.koszewscy.waw.pl
 export VAULT_TOKEN=<admin-token>
 ```
 
@@ -56,7 +56,7 @@ Role: **User**
 1. Set the address of the Vault server. Set `VAULT_CACERT` as well when the server certificate is issued by a private CA.
 
     ```bash
-    export VAULT_ADDR=https://vault.example.com:8200
+    export VAULT_ADDR=https://vault.koszewscy.waw.pl
     export VAULT_CACERT=/path/to/server-ca.pem
     ```