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

Author: chrisda

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

@@ -72,7 +72,7 @@ The following examples show how to use the Exchange Online PowerShell V2 module
 
 ## How does it work?
 
-The EXO V2 module uses the Active Directory Authentication Library to fetch an app-only token using the application Id, tenant Id (organization) & certificate thumbprint. The application object provisioned inside Azure AD has a Directory Role assigned to it, which is returned in the access token. Exchange Online configures the session RBAC using the directory role information that's available in the token.
+The EXO V2 module uses the Active Directory Authentication Library to fetch an app-only token using the application Id, tenant Id (organization), and certificate thumbprint. The application object provisioned inside Azure AD has a Directory Role assigned to it, which is returned in the access token. Exchange Online configures the session RBAC using the directory role information that's available in the token.
 
 ## Setup app-only authentication