diff --git a/README.md b/README.md
index 7f8675f4625d444cc1cbc2efc87fb907fd2e668d..2a01deeb4e3b3555aeed73009602997fb29a2476 100644
--- a/README.md
+++ b/README.md
@@ -186,7 +186,7 @@ curl --location --request POST 'localhost:8080/shoppingcart/pay' \
 ```
 
 ### Testing the API-Calls
-Because of the frequent specification of the JWT token, API calls with CURL can be bothersome. Therefore a postman collection can be imported with the file `go-mazon.postman_collection`. Import this to your Postman for more comfortable tests.
+Because of the frequent specification of the JWT token, API calls with CURL can be bothersome. Therefore a postman collection can be imported with the file `go-mazon.postman_collection.json`. Import this to your Postman for more comfortable tests.
 
 ## Troubleshooting
 If Docker doesn't detect a specific file, check if in VS-Code all Docker-related files has LF (Line Feed) and not CRLF (Carriage Return).
\ No newline at end of file