updated readme

README.md

@@ -168,7 +168,7 @@ curl --location --request POST 'localhost:8080/shoppingcart' \
 To add a Product (here Product with the ID = 1) use this function. In the request Body the amount will be specified.
 The user will also be detected with the Token-String.
 ```
-curl --location 'localhost:8080/shoppingcart/Product/1' \
+curl --location 'localhost:8080/shoppingcart/product/1' \
 --header 'Content-Type: application/json' \
 --header 'Authorization: Bearer INSERT_TOKEN_HERE' \
 --data '{