fix(mdb): review bene

Co-authored-by: Benedikt Rollik <[email protected]>

Author: ldecarvalho-doc

pages/managed-mongodb-databases/api-cli/managing-users-api.mdx

@@ -7,12 +7,12 @@ dates:
   posted: 2025-04-08
 ---
 
-When you create your MongoDB® Database Instance, the first user is created by default and has admin rights.
+When you create your MongoDB® Database Instance, a default user with administrative privileges is automatically created.
 
 You can create more users and grant them pre-set roles via the [Scaleway Managed MongoDB® API](https://www.scaleway.com/en/developers/api/managed-database-mongodb/).
 
 <Message type="important">
-  All users you create have at first administrator roles, which can be changed after creation with the [Apply user roles](https://www.scaleway.com/en/developers/api/managed-database-mongodb/#path-users-apply-user-roles) call. The default user's role cannot be changed.
+  All users you create initially have administrator roles, which can be modified after creation using the [Apply user roles](https://www.scaleway.com/en/developers/api/managed-database-mongodb/#path-users-apply-user-roles) API call. However, the default user's role cannot be changed.
 </Message>
 
 ### How to create a user