(AzureCXP) MicrosoftDocs/azure-docs#96029

Updated line 137 with the correct parameter name to match the code snippet.

FROM : $getgw = Add-AzApplicationGatewayProbeConfig -ApplicationGateway $getgw -Name probe01 -Protocol Http -HostName 'contoso.com' -Path '/path/custompath.htm' -Interval 30 -Timeout 120 -UnhealthyThreshold 8
TO : $probe = Add-AzApplicationGatewayProbeConfig -ApplicationGateway $getgw -Name probe01 -Protocol Http -HostName 'contoso.com' -Path '/path/custompath.htm' -Interval 30 -Timeout 120 -UnhealthyThreshold 8

Fixes MicrosoftDocs/azure-docs#96029

Author: KapilAnanth-MSFT

articles/application-gateway/application-gateway-create-probe-ps.md

@@ -134,7 +134,7 @@ The following code snippet adds a probe to an existing application gateway.
 $getgw =  Get-AzApplicationGateway -Name appgwtest -ResourceGroupName appgw-rg
 
 # Create the probe object that will check health at http://contoso.com/path/path.htm
-$getgw = Add-AzApplicationGatewayProbeConfig -ApplicationGateway $getgw -Name probe01 -Protocol Http -HostName 'contoso.com' -Path '/path/custompath.htm' -Interval 30 -Timeout 120 -UnhealthyThreshold 8
+$probe = Add-AzApplicationGatewayProbeConfig -ApplicationGateway $getgw -Name probe01 -Protocol Http -HostName 'contoso.com' -Path '/path/custompath.htm' -Interval 30 -Timeout 120 -UnhealthyThreshold 8
 
 # Set the backend HTTP settings to use the new probe
 $getgw = Set-AzApplicationGatewayBackendHttpSettings -ApplicationGateway $getgw -Name $getgw.BackendHttpSettingsCollection.name -Port 80 -Protocol Http -CookieBasedAffinity Disabled -Probe $probe -RequestTimeout 120