Add documentation and correct typo

services/users/usersRouter.js

@@ -19,12 +19,12 @@ router.put('/:id', async (req, res) => {
 				res.status(404).json({ message: 'The user could not be found' });
 			}
 		})
-		.catch(err => res.status(500).json({ message: 'Error updating the user' }));
+		.catch(() => res.status(500).json({ message: 'Error updating the user' }));
 });
 
 router.delete("/:id", (req, res) => {
 	Users.removeUser(req.params.id)
-		.then(data => res.status(200).json(data))
+		.then(() => res.status(200).json({ message: 'The user was successfully deleted.'}))
 		.catch(err => res.json(err));
 });