Bad Request is 400

doc/user/packages/composer_repository/index.md

@@ -149,7 +149,7 @@ Do not save unless you want to overwrite the existing CI/CD file.
 When you publish:
 
 - The same package with different data, it overwrites the existing package.
-- The same package with the same data, a `404 Bad request` error occurs.
+- The same package with the same data, a `400 Bad request` error occurs.
 
 ## Install a Composer package