Update links to MFA phone number

This is for this feedback https://github.com/MicrosoftDocs/azure-docs/issues/99795

Author: bernawy

articles/active-directory-b2c/user-profile-attributes.md

@@ -8,7 +8,7 @@ manager: CelesteDG
 ms.service: active-directory
 ms.workload: identity
 ms.topic: conceptual
-ms.date: 09/24/2021
+ms.date: 10/11/2021
 ms.author: kengaderdus
 ms.subservice: B2C
 ---
@@ -165,7 +165,7 @@ In user migration scenarios, if the accounts you want to migrate have weaker pas
 
 ## MFA phone number attribute
 
-When using a phone for multi-factor authentication (MFA), the mobile phone is used to verify the user identity. To [add](/graph/api/authentication-post-phonemethods) a new phone number programmatically, [update](/graph/api/b2cauthenticationmethodspolicy-update), [get](/graph/api/b2cauthenticationmethodspolicy-get), or [delete](/graph/api/phoneauthenticationmethod-delete) the phone number, use MS Graph API [phone authentication method](/graph/api/resources/phoneauthenticationmethod).
+When using a phone for multi-factor authentication (MFA), the mobile phone is used to verify the user identity. To [add](/graph/api/authentication-post-phonemethods) a new phone number programmatically, [update](/graph/api/phoneauthenticationmethod-update), [get](/graph/api/phoneauthenticationmethod-get), or [delete](/graph/api/phoneauthenticationmethod-delete) the phone number, use MS Graph API [phone authentication method](/graph/api/resources/phoneauthenticationmethod).
 
 In Azure AD B2C [custom policies](custom-policy-overview.md), the phone number is available through `strongAuthenticationPhoneNumber` claim type.