diff --git a/README.md b/README.md
index ab3c889f..9b3a9e54 100644
--- a/README.md
+++ b/README.md
@@ -51,20 +51,20 @@ If you have at least Docker, the Java JDK and Gradle installed in appropriate ve
         -H 'current-user: mike@hostsharing.net' \
         http://localhost:8080/api/customers
 
-    # the following command should return a JSON array with just all packages visible for the admin of the customer aab:
+    # the following command should return a JSON array with just all packages visible for the admin of the customer yyy:
     curl \
-        -H 'current-user: mike@hostsharing.net' -H 'assumed-roles: customer#aab.admin' \
+        -H 'current-user: mike@hostsharing.net' -H 'assumed-roles: customer#yyy.admin' \
         http://localhost:8080/api/packages
 
     # add a new customer
     curl \
         -H 'current-user: mike@hostsharing.net' -H "Content-Type: application/json" \
-        -d '{ "prefix":"baa", "reference":80001, "adminUserName":"admin@baa.example.com" }' \
+        -d '{ "prefix":"ttt", "reference":80001, "adminUserName":"admin@ttt.example.com" }' \
         -X POST http://localhost:8080/api/customers
 
 If you wonder who 'mike@hostsharing.net' and 'sven@hostsharing.net' are and where the data comes from:
 Mike and Sven are just example Hostsharing hostmaster accounts as part of the example data which is automatically inserted in Testcontainers and Development environments.
-Also try for example 'admin@aaa.example.com' or 'unknown@example.org'.
+Also try for example 'admin@xxx.example.com' or 'unknown@example.org'.
 
 If you want a formatted JSON output, you can pipe the result to `jq` or similar.