Update quickstart.mdx

never liked this final line lmao

Author: tiffany-mintlify

quickstart.mdx

@@ -158,7 +158,7 @@ Update](https://mintlify.s3-us-west-1.amazonaws.com/mintlify/images/manual-updat
   </Frame>
 </Accordion>
 
-Congrats\! You've set up your Mintlify Docs and they're on the way to looking amazing\!
+Congrats, you've set up your documentation on Mintlify\!
 
 Need support or want to give some feedback? You can click `support` in the [dashboard](http://dashboard.mintlify.com) (bottom left corner) or reach out to [[email protected]](mailto:[email protected]).