fix: links

Author: lawmicha

src/pages/[platform]/build-a-backend/data/aws-appsync-apollo-extensions/index.mdx

@@ -173,7 +173,7 @@ val authorizer = IamAuthorizer { ApolloAmplifyConnector.signAppSyncRequest(it, "
 
 ### Connecting Amplify Data to Apollo client
 
-Before you begin, you will need an Amplify Data backend deploy. To get started, see [Set up Data](/[platform]/swift/build-a-backend/data/set-up-data/). 
+Before you begin, you will need an Amplify Data backend deploy. To get started, see [Set up Data](/[platform]/build-a-backend/data/set-up-data/). 
 
 Once you have deployed your backend and created the `amplify_outputs.json` file, you can use Amplify library to read and retrieve your configuration values with the following steps: