diff --git a/BancaDati.sql b/BancaDati.sql
index 512a69b..910b2c8 100644
--- a/BancaDati.sql
+++ b/BancaDati.sql
@@ -16,7 +16,7 @@ CREATE TABLE `ingredienti`
     `cognome`           varchar(200)  NOT NULL, /*Name*/
     `calorie`           integer(5) NOT NULL, /*Kalorien*/
     `quantita`          integer(5) NOT NULL, /*Anzahl*/
-    `prezzo`            decimal(4, 2) NOT NULL, /*Preis*/
+    `prezzo`            decimal(8, 2) NOT NULL, /*Preis*/
     `follaID`           int NOT NULL, /*MengeID*/
     `created`           timestamp     NOT NULL DEFAULT CURRENT_TIMESTAMP
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
@@ -77,7 +77,7 @@ ALTER TABLE `elenco`
 
 /*Test Data*/
 INSERT INTO `utente` (email, parolaDordine, nomeUtente) VALUES ('test@test.com', 'password', "testuser");
-INSERT INTO `utente` (email, parolaDordine, nomeUtente) VALUES ('test1@test.com', 'password1', "testuser1");
+INSERT INTO `utente` (email, parolaDordine, nomeUtente) VALUES ('test1@test.com', 'hunter2', "testuser1");
 
 
 INSERT INTO `folla` (unita) VALUES ('st');
@@ -91,8 +91,11 @@ INSERT INTO `folla` (unita) VALUES ('EL');
 
 INSERT INTO `ingredienti` (cognome, calorie, quantita, prezzo, follaID) VALUES ('Raffinierter Zucker', 3870, 1000, 5, 2);
 INSERT INTO `ingredienti` (cognome, calorie, quantita, prezzo, follaID) VALUES ('Die Chips von der Tanke', 843, 375, 4.30, 2);
+INSERT INTO `ingredienti` (cognome, calorie, quantita, prezzo, follaID) VALUES ('Reines Copium', 420, 1337, 6.9, 4);
+INSERT INTO `ingredienti` (cognome, calorie, quantita, prezzo, follaID) VALUES ('Maggi', 420, 1337, 6.9, 4);
+INSERT INTO `ingredienti` (cognome, calorie, quantita, prezzo, follaID) VALUES ('Eine große Pommes Frites mit Pommes Frites', 4200, 1, 6.9, 3);
 
-INSERT INTO `elenco` (utenteID, cognome) VALUES (1, 'Liste den Einkauf bei Netto');
+INSERT INTO `elenco` (utenteID, cognome) VALUES (1, 'Liste für den Einkauf bei Netto');
 
 INSERT INTO `elencoIngredienti` (ingredientiID, elencoID) VALUES (1, 1);
 INSERT INTO `elencoIngredienti` (ingredientiID, elencoID) VALUES (2, 1);
diff --git a/Documentation/Dokumentation.md b/Documentation/Dokumentation.md
index e34181e..a070207 100644
--- a/Documentation/Dokumentation.md
+++ b/Documentation/Dokumentation.md
@@ -13,13 +13,13 @@ Eine auflistung von allen Funktionen und API-Endpunkten mit Erklärung.
 
 ### User erstellen
 ```shell
-POST 127.0.0.1/DirektiveDesDons/user
+POST 127.0.0.1/DirektiveDesDons/signup
 
 BODY
 {
   "username": "Benutzername",
-  "email": "email"
-  "password": "Passwort",
+  "email": "email",
+  "password": "Passwort"
 }
 ```
 
@@ -49,8 +49,8 @@ POST 127.0.0.1/DirektiveDesDons/list
 
 BODY
 {
-  "name": "Einkaufsliste 1"
-  "backgoundColor": "#123",
+  "name": "Einkaufsliste 1",
+  "backgoundColor": "#123"
 }
 ```
 
@@ -117,6 +117,20 @@ GET 127.0.0.1/DirektiveDesDons/ingredient/1
 DELETE 127.0.0.1/DirektiveDesDons/ingredient/1
 ```
 
+### Zutat ändern
+```shell
+POST 127.0.0.1/DirektiveDesDons/ingredient/3
+
+BODY
+{
+  "name": "Nüsse",
+  "calories": "123",
+  "quantity": "5",
+  "unit": "st",
+  "price": "13.5"
+}
+```
+
 ---
 
 ## MengenEinheiten
diff --git a/index.php b/index.php
index c25554e..b9cb119 100644
--- a/index.php
+++ b/index.php
@@ -40,7 +40,7 @@ $app->use("/", function (array &$req, Response $res) {
  * Home
  */
 $app->get("/", function (array $req, Response $res) use ($db) {
-    $res->json(["message" => "",
+    $res->json(["message" => "Die Einkaufsliste des Don",
         "name" => "Shopping List",
         "authors" => "Simon Bock, Johannes Kantz & Malte Schulze Hobeling"]);
 });
@@ -55,10 +55,6 @@ $app->get("/user", function (array $req, Response $res) {
         $res->json(["status" => HTTP_STATUS_CODE::FORBIDDEN, "message" => "You are not logged in. Goto '/login' to login"]);
     }
 });
-$app->get("/user/:id", function (array $req, Response $res) use ($db) {
-    $db->select("utente", ["username" => $req["id"]]);
-    $res->send("user " . $req["params"]["id"]);
-});
 $app->post("/signup", function (array $req, Response $res) use ($db) {
     $newUsername = $req["body"]["username"];
     $newPassword = $req["body"]["password"];
@@ -116,7 +112,12 @@ $app->route("/ingredient")
 $app->route("/ingredient/:id")
     ->get(function (array $req, Response $res) use ($db) {
         $id = $req["params"]["id"];
-        $ingredient = $db->select("ingredienti", ["id" => $id])[0];
+        $query = $db->select("ingredienti", ["id" => $id]);
+        if(count($query) < 1){
+            $res->json(["message" => "Item does not exists"]);
+            return;
+        }
+        $ingredient = $query[0];
         $res->json(["data" => $ingredient]);
     })
     ->put(function (array $req, Response $res) use ($db) {
@@ -172,8 +173,13 @@ $app->route("/unit")
 $app->route("/unit/:id")
     ->get(function (array $req, Response $res) use ($db) {
         $id = $req["params"]["id"];
-        $ingredient = $db->select("folla", ["id" => $id])[0];
-        $res->json(["data" => $ingredient]);
+        $query = $db->select("folla", ["id" => $id]);
+        if(count($query) < 1){
+            $res->json(["message" => "Unit does not exists"]);
+            return;
+        }
+        $unit = $query[0];
+        $res->json(["data" => $unit]);
     })
     ->put(function (array $req, Response $res) use ($db) {
         $id = $req["params"]["id"];