Updated wrong link (#2423)

Co-authored-by: Erik Hanchett <[email protected]>

Author: ErikCH

docs/src/pages/[platform]/connected-components/authenticator/configuration/index.page.mdx

@@ -65,7 +65,7 @@ but can be explicitly defined as seen below.
 </Alert>
 
 The Authenticator automatically renders _most_ [Cognito User Pools attributes](https://docs.aws.amazon.com/cognito/latest/developerguide/user-pool-settings-attributes.html),
-with the exception of `address`, `gender`, `locale`, `picture`, `updated_at`, and `zoneinfo`. Because these are often app-specific, they can be customized via [Sign Up fields](#sign-up-fields).
+with the exception of `address`, `gender`, `locale`, `picture`, `updated_at`, and `zoneinfo`. Because these are often app-specific, they can be customized via [Sign Up fields](customization#sign-up-fields).
 
 <Tabs>
   <TabItem title="Verification Attributes">