Update docs/ios/apple-account-management.md

another s/that is/that's/

Co-authored-by: David Britch <davidbritch@users.noreply.github.com>

docs/ios/apple-account-management.md

@@ -15,7 +15,7 @@ The Apple account management interface in Visual Studio enables you to view sign
 
 ## Accepting Apple's licensing agreement
 
-Every year, Apple requires you to review and agree to their licensing agreement. To do that, sign-in to your [Apple Developer Account](https://developer.apple.com/account/) and agree to any licensing agreement that is presented to you.
+Every year, Apple requires you to review and agree to their licensing agreement. To do this, sign-in to your [Apple Developer Account](https://developer.apple.com/account/) and agree to any licensing agreement that's presented to you.
 
 ## Generating an API Key