Fixed typo in "using-azure-test-framework.md" (#21986)

* Update using-azure-test-framework.md

* Update using-azure-test-framework.md

---------

Co-authored-by: Vincent Dai <[email protected]>

Author: isra-fel

documentation/testing-docs/using-azure-test-framework.md

@@ -59,7 +59,7 @@ Using a service principal is the preferred option for recording tests because it
 In order to create a new service principal, run the following command with an unused service principal display name:
 
 ```powershell
-Set-TestFxEnvironment -ServicePrincipalDisplayName <DisplayName> -SubscriptionId <SubscriptionId> -TenantId <TenantId> -RecordMode "Record"
+Set-TestFxEnvironment -ServicePrincipalDisplayName <DisplayName> -SubscriptionId <SubscriptionId> -TenantId <TenantId> -RecorderMode "Record"
 ```
 
 This command will first create a new service principal. And then set the `Contributor` role assignment for this service principal based upon the subscription provided. After that, it will place the service principal application id and automatically generated secret into the credentials file.
@@ -74,7 +74,7 @@ Alternatively, if you prefer creating a service principal by yourself from Azure
 If you would like to use an existing service principal, run the following command with an existing service principal application id and secret:
 
 ```powershell
-Set-TestFxEnvironment -ServicePrincipalId <ServicePrincipalApplicationId> -ServicePrincipalSecret <ServicePrincipalSecret> -SubscriptionId <SubscriptionId> -TenantId <TenantId> -RecordMode "Record"
+Set-TestFxEnvironment -ServicePrincipalId <ServicePrincipalApplicationId> -ServicePrincipalSecret <ServicePrincipalSecret> -SubscriptionId <SubscriptionId> -TenantId <TenantId> -RecorderMode "Record"
 ```
 
 For existing service principal, this command will respect your own settings and won't assign the `Contributor` role automatically.