Update concept-certificate-based-authentication-technical-deep-dive.md

Author: vimrang

articles/active-directory/authentication/concept-certificate-based-authentication-technical-deep-dive.md

@@ -82,7 +82,7 @@ For passwordless sign-in to work, users should disable legacy notification throu
 
 1. Sign in to the [Azure portal](https://portal.azure.com).
 
-1. Follow the steps at [Enable passwordless phone sign-in authentication](../authentication/howto-authentication-passwordless-phone#enable-passwordless-phone-sign-in-authentication-methods.md)
+1. Follow the steps at [Enable passwordless phone sign-in authentication](../authentication/howto-authentication-passwordless-phone.md#enable-passwordless-phone-sign-in-authentication-methods)
 
 >[!IMPORTANT]
 >In the above configuration under step 4, please choose **Passwordless** option. Change the mode for each groups added for PSI for **Authentication mode**, choose  **Passwordless** for passwordless sign-in to work with CBA.