update readme

Author: BenBagBag

1-Authentication/6-sign-in-node-cli-app/README.md

@@ -121,16 +121,16 @@ To manually register the apps, as a first step you'll need to:
 
 #### Create User Flows
 
-Please refer to: [Tutorial: Create user flow in Azure Active Directory CIAM](https://github.com/microsoft/entra-previews/blob/PP2/docs/3-Create-sign-up-and-sign-in-user-flow.md)
+Please refer to: [Tutorial: Create a sign-up and sign-in user flow](https://learn.microsoft.com/en-us/entra/external-id/customers/how-to-user-flow-sign-up-sign-in-customers)
 
 > :information_source: To enable password reset in Customer Identity Access Management (CIAM) in Azure Active Directory (Azure AD), please refer to: [Tutorial: Enable self-service password reset](https://github.com/microsoft/entra-previews/blob/PP2/docs/4-Enable-password-reset.md)
 
 #### Add External Identity Providers
 
 Please refer to:
 
-* [Tutorial: Add Google as an identity provider](https://github.com/microsoft/entra-previews/blob/PP2/docs/6-Add-Google-identity-provider.md)
-* [Tutorial: Add Facebook as an identity provider](https://github.com/microsoft/entra-previews/blob/PP2/docs/7-Add-Facebook-identity-provider.md)
+* [Tutorial: Add Google as an identity provider](https://learn.microsoft.com/en-us/entra/external-id/customers/how-to-google-federation-customers)
+* [Tutorial: Add Facebook as an identity provider](https://learn.microsoft.com/en-us/entra/external-id/customers/how-to-facebook-federation-customers)
 
 #### Register the client app (ciam-msal-node-cli-app)