diff --git a/playground/matplus/marco-thom/simple-user-task-exampledata.json b/playground/matplus/marco-thom/simple-user-task-exampledata.json
index b88c7bf2..e6e92b20 100644
--- a/playground/matplus/marco-thom/simple-user-task-exampledata.json
+++ b/playground/matplus/marco-thom/simple-user-task-exampledata.json
@@ -1,3 +1,3 @@
 {
-  "firstName": "Chuck"
+  "firstName": "Ch23232uck"
 }
\ No newline at end of file
diff --git a/playground/matplus/thies-marwitz/create-part-information-schema.json b/playground/matplus/thies-marwitz/create-part-information-schema.json
index 1762564b..c2c95b8c 100644
--- a/playground/matplus/thies-marwitz/create-part-information-schema.json
+++ b/playground/matplus/thies-marwitz/create-part-information-schema.json
@@ -20,7 +20,7 @@
     "confirmationNumber": {
       "type": "string",
       "title": "Confirmation Number",
-      "default": "01231"
+      "default": "1234"
     }
   }
 }
\ No newline at end of file