Update messaging-connect.md

Author: dbasantes

articles/communication-services/concepts/sms/messaging-connect.md

@@ -359,7 +359,7 @@ await smsClient.send(
 ```
 
 > [!TIP]
-> If you're using a Messaging Connect number but don’t include the messagingConnect object, the request fails with a validation error. For a list of possible validation errors and responses, [jump to the validation outcomes table](#1-synchronous-validation).
+> If you're using a Messaging Connect number but don’t include the messagingConnect object, the request fails with a validation error. For a list of possible validation errors and responses, [jump to the validation outcomes table](#synchronous-validation).
 
 **SMS Error Codes**