fixed typo

Author: Justinha

articles/active-directory/authentication/concept-authentication-default-enablement.md

@@ -53,7 +53,7 @@ The following table lists each setting that can be set to Microsoft managed and
 
 | Setting                                                                                         | Configuration |
 |-------------------------------------------------------------------------------------------------|---------------|
-| [Registration campaign](how-to-mfa-registration-campaign.md)                                    | From Sept 25 to Oct 20, 2023, the Microsoft managed value for the registration campaign will change to be be Enabled for text message and voice call users across all tenants. |
+| [Registration campaign](how-to-mfa-registration-campaign.md)                                    | From Sept 25 to Oct 20, 2023, the Microsoft managed value for the registration campaign will change to Enabled for text message and voice call users across all tenants. |
 | [Location in Microsoft Authenticator notifications](how-to-mfa-additional-context.md)           | Disabled      |
 | [Application name in Microsoft Authenticator notifications](how-to-mfa-additional-context.md)   | Disabled      |
 | [System-preferred MFA](concept-system-preferred-multifactor-authentication.md)                  | Enabled       |