Update block-legacy-authentication.md

Fix pre-existing typo "dialog blox", line 85

Author: American-Dipper

articles/active-directory/conditional-access/block-legacy-authentication.md

@@ -82,7 +82,7 @@ Before you can block legacy authentication in your directory, you need to first
 
 1. Navigate to the **Azure portal** > **Azure Active Directory** > **Sign-ins**.
 1. Add the Client App column if it is not shown by clicking on **Columns** > **Client App**.
-1. **Add filters** > **Client App** > select all of the legacy authentication protocols. Select outside the filtering dialog blox to apply your selections and close the dialog box.
+1. **Add filters** > **Client App** > select all of the legacy authentication protocols. Select outside the filtering dialog box to apply your selections and close the dialog box.
 
 Filtering will only show you sign-in attempts that were made by legacy authentication protocols. Clicking on each individual sign-in attempt will show you additional details. The **Client App** field under the **Basic Info** tab will indicate which legacy authentication protocol was used.
 
@@ -122,4 +122,4 @@ You can select all available grant controls for the **Other clients** condition;
 - [Determine impact using Conditional Access report-only mode](howto-conditional-access-insights-reporting.md)
 - If you are not familiar with configuring Conditional Access policies yet, see [require MFA for specific apps with Azure Active Directory Conditional Access](../authentication/tutorial-enable-azure-mfa.md) for an example.
 - For more information about modern authentication support, see [How modern authentication works for Office 2013 and Office 2016 client apps](/office365/enterprise/modern-auth-for-office-2013-and-2016) 
-- [How to set up a multifunction device or application to send email using Office 365 and Microsoft 365](/exchange/mail-flow-best-practices/how-to-set-up-a-multifunction-device-or-application-to-send-email-using-office-3)
+- [How to set up a multifunction device or application to send email using Office 365 and Microsoft 365](/exchange/mail-flow-best-practices/how-to-set-up-a-multifunction-device-or-application-to-send-email-using-office-3)