Distinguish between phone and office phone calls

The text description between phone call verification and office phone call are exactly the same but it should mentioned office phone call on the 2nd one.

Author: miguel-s-ferreira

articles/active-directory/authentication/concept-authentication-phone-options.md

@@ -52,7 +52,7 @@ With phone call verification during SSPR or Azure AD Multi-Factor Authentication
 
 ## Office phone verification
 
-With phone call verification during SSPR or Azure AD Multi-Factor Authentication, an automated voice call is made to the phone number registered by the user. To complete the sign-in process, the user is prompted to press # on their keypad. 
+With office phone call verification during SSPR or Azure AD Multi-Factor Authentication, an automated voice call is made to the phone number registered by the user. To complete the sign-in process, the user is prompted to press # on their keypad. 
 
 ## Troubleshooting phone options