Update custom domain UI

Author: handotdev

images/add-custom-domain-dark.png

@@ -13,7 +13,7 @@ To set up your documentation on a custom domain, you'll need to set your desired
 
 ## Dashboard Settings
 
-1. Head over to your [dashboard](https://dashboard.mintlify.com)
+1. Head over to the [dashboard](https://dashboard.mintlify.com)
 2. Click on "Settings".
 3. Click on "Custom Domain".
 4. Enter your desired custom domain. For example, `docs.mintlify.com`.