diff --git a/json/helpers_cache.json b/json/helpers_cache.json
index fa1ac6d..3bc02a0 100644
--- a/json/helpers_cache.json
+++ b/json/helpers_cache.json
@@ -2105,9 +2105,14 @@
     ],
     "notes": [
       "First start can take a few minutes",
-      "This script requires some extra steps after the installation, Please checkout the `https://github.com/community-scripts/ProxmoxVE/discussions/193`"
+      "This script requires some extra steps after the installation, Please checkout the `https://github.com/community-scripts/ProxmoxVE/discussions/193`",
+      "When updating, if you had modified cache-ispn.xml: Re-apply your changes to the new file, otherwise leave it unchanged."
     ],
-    "type": "ct"
+    "type": "ct",
+    "default_credentials": {
+      "username": "tmpadm",
+      "password": "admin123"
+    }
   },
   {
     "name": "Kimai",