Health probe behavior clarifications

Author: JackStromberg

articles/application-gateway/for-containers/custom-health-probe.md

@@ -6,7 +6,7 @@ author: greg-lindsay
 ms.service: application-gateway
 ms.subservice: appgw-for-containers
 ms.topic: conceptual
-ms.date: 5/9/2024
+ms.date: 7/10/2024
 ms.author: greglin
 ---
 
@@ -51,10 +51,12 @@ When the default health probe is used, the following values for each health prob
 | healthyTrehshold | 1 probe |
 | unhealthyTreshold | 3 probes |
 | port | The port number used is defined by the backend port number in the Ingress resource or HttpRoute backend port in the HttpRoute resource. |
-| protocol | HTTP for HTTP and HTTPS when TLS is specified |
+| protocol | HTTP or HTTPS<sup>1</sup> |
 | (http) host | localhost |
 | (http) path | / |
 
+<sup>1</sup> HTTPS will be used when a backendTLSPolicy references a target backend service (for Gateway API implementation) or IngressExtension with a backendSetting protocol of HTTPS (for Ingress API implementation) is specified.
+
 >[!Note]
 >Health probes are initiated with the `User-Agent` value of `Microsoft-Azure-Application-LB/AGC`.
 
@@ -82,7 +84,6 @@ spec:
     timeout: 3s
     healthyThreshold: 1
     unhealthyThreshold: 1
-    protocol: HTTP
     http:
       host: contoso.com
       path: /