added diff bw push and passwordless

Author: Justinha

articles/active-directory/authentication/concept-authentication-authenticator-app.md

@@ -20,7 +20,7 @@ ms.collection: M365-identity-device-management
 
 The Microsoft Authenticator app provides an additional level of security to your Azure AD work or school account or your Microsoft account and is available for [Android](https://go.microsoft.com/fwlink/?linkid=866594) and [iOS](https://go.microsoft.com/fwlink/?linkid=866594). With the Microsoft Authenticator app, users can authenticate in a passwordless way during sign-in, or as an additional verification option during self-service password reset (SSPR) or Azure AD Multi-Factor Authentication events.
 
-Users may receive a notification through the mobile app for them to approve or deny, or use the Authenticator app to generate an OAUTH verification code that can be entered in a sign-in interface. If you enable both a notification and verification code, users who register the Authenticator app can use either method to verify their identity.
+Users may receive a notification through the mobile app for them to approve or deny, or use the Authenticator app to generate an OATH verification code that can be entered in a sign-in interface. If you enable both a notification and verification code, users who register the Authenticator app can use either method to verify their identity.
 
 To use the Authenticator app at a sign-in prompt rather than a username and password combination, see [Enable passwordless sign-in with the Microsoft Authenticator app](howto-authentication-passwordless-phone.md).
 

articles/active-directory/authentication/howto-authentication-passwordless-phone.md

@@ -33,7 +33,9 @@ People who enabled phone sign-in from the Microsoft Authenticator app see a mess
 
 To use passwordless phone sign-in with the Microsoft Authenticator app, the following prerequisites must be met:
 
-- Azure AD Multi-Factor Authentication, with push notifications allowed as a verification method. Azure Multi-Factor Auth Connector must be enabled to allow users to register for push notifications for phone sign-in.
+- Azure AD Multi-Factor Authentication, with push notifications allowed as a verification method. Push notifications to your smartphone or tablet help the Authenticator app to prevent unauthorized access to accounts and stop fraudulent transactions. The Authenticator app automatically generates codes when set up to do push notifications so a user has a backup sign-in method even if their device doesn't have connectivity. 
+  
+  Azure Multi-Factor Auth Connector must be enabled to allow users to register for push notifications for phone sign-in.
 
   ![Screenshot of Azure Multi-Factor Auth Connector enabled.](media/howto-authentication-passwordless-phone/connector.png)