diff --git a/03_js-dom.zip b/03_js-dom.zip
deleted file mode 100644
index 83e99a9..0000000
Binary files a/03_js-dom.zip and /dev/null differ
diff --git a/03_js-dom/unterricht/tag25/01_product-manager-final/package-lock.json b/03_js-dom/unterricht/tag25/01_product-manager-final/package-lock.json
new file mode 100644
index 0000000..0c2f624
--- /dev/null
+++ b/03_js-dom/unterricht/tag25/01_product-manager-final/package-lock.json
@@ -0,0 +1,12 @@
+{
+  "name": "product-manager-final",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "product-manager-final",
+      "version": "1.0.0"
+    }
+  }
+}
diff --git a/03_js-dom/unterricht/tag25/02_website/backend/models/ProductModel.js b/03_js-dom/unterricht/tag25/02_website/backend/models/ProductModel.js
index a3d0a39..b8dba20 100644
--- a/03_js-dom/unterricht/tag25/02_website/backend/models/ProductModel.js
+++ b/03_js-dom/unterricht/tag25/02_website/backend/models/ProductModel.js
@@ -32,6 +32,8 @@ const ProductModel = () => {
   const add = (product) => {
     const { name, price } = product;
 
+    // TODO: Validierung des Produkts
+
     products.push({
       _id: id(),
       position: products.length + 1,
diff --git a/03_js-dom/unterricht/tag25/02_website/backend/utils/json-modifier.js b/03_js-dom/unterricht/tag25/02_website/backend/utils/json-modifier.js
index 9baf53d..7805c1f 100644
--- a/03_js-dom/unterricht/tag25/02_website/backend/utils/json-modifier.js
+++ b/03_js-dom/unterricht/tag25/02_website/backend/utils/json-modifier.js
@@ -12,7 +12,7 @@ try {
 
   console.log(products);
 
-  fs.writeFileSync('../data/products2.json', JSON.stringify(products, null, 2));
+  fs.writeFileSync('../data/products.json', JSON.stringify(products, null, 2));
 } catch (error) {
   console.log(error);
 }