Update app-only-auth-powershell-v2.md

Updated to new parameter name.

Author: navgupta1208

exchange/docs-conceptual/app-only-auth-powershell-v2.md

@@ -31,13 +31,13 @@ The following examples show how to use the Exchange Online PowerShell V2 module
 - Connect using a local certificate:
 
   ```powershell
-  Connect-ExchangeOnline -CertificateFilePath "C:\Users\johndoe\Desktop\automation-cert.pfx" -AppID "alpha-beta-gamma-123456" -TenantID "contosoelectronics.onmicrosoft.com"
+  Connect-ExchangeOnline -CertificateFilePath "C:\Users\johndoe\Desktop\automation-cert.pfx" -AppID "alpha-beta-gamma-123456" -Organization "contosoelectronics.onmicrosoft.com"
   ```
 
 - Connect using a certificate thumbprint:
 
   ```powershell
-  Connect-ExchangeOnline -CertificateThumbPrint "012THISISADEMOTHUMBPRINT" -AppID "alpha-beta-gamma-123456" -TenantID "contosoelectronics.onmicrosoft.com" 
+  Connect-ExchangeOnline -CertificateThumbPrint "012THISISADEMOTHUMBPRINT" -AppID "alpha-beta-gamma-123456" -Organization "contosoelectronics.onmicrosoft.com" 
   ```
 
   When you use the _CertificateThumbPrint_ parameter, the certificate needs to be installed on the computer where you are running the command. The certificate should be installed in the user certificate store.