Update quickstart.mdx (#1737)

Co-authored-by: mintlify[bot] <109931778+mintlify[bot]@users.noreply.github.com>

Author: mintlify[bot]

quickstart.mdx

@@ -246,7 +246,7 @@ If you encounter issues during the setup process, check these common troubleshoo
     Make sure you have Node.js v19+ installed and that you run the `mint dev` command from the directory containing your `docs.json` file.
   </Accordion>
   <Accordion title="Changes not reflecting on live site">
-    Deployment can take upwards to a few minutes. Check your GitHub Actions (for code-based workflow) or deployment logs in the Mintlify dashboard to ensure there are no build errors.
+    Deployment can take up to a few minutes. Check your GitHub Actions (for code-based workflow) or deployment logs in the Mintlify dashboard to ensure there are no build errors.
   </Accordion>
   <Accordion title="Custom domain not connecting">
     Verify that your DNS records are set up correctly and allow sufficient time for DNS propagation (up to 48 hours). You can use tools like [DNSChecker](https://dnschecker.org) to verify your CNAME record.