Update README.md

README.md

@@ -85,14 +85,14 @@ let emailInfo = try await resendClient.emails.get(emailId: id)
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-### Audience client
+### Managing Audiences
 
 Access the `AudienceClient` for managing audiences via the API. Refer to the [Resend Audience API](https://resend.com/docs/api-reference/audiences) for complete details.
 ~~~~swift
 let audience = try await resendClient.audiences.create(name: "marketing")
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-### Contact client
+### Managing Contacts
 
 Access the `ContactClient` for managing contacts via the API. Refer to the [Resend Contact API](https://resend.com/docs/api-reference/contacts) for complete details.
 ~~~~swift