Minor changes.

Author: csmulligan

articles/active-directory/external-identities/facebook-federation.md

@@ -107,4 +107,6 @@ You can delete your Facebook federation setup. If you do so, any users who have
 
 ## Next steps
 
-- [Add self-service sign-up to an app](self-service-sign-up-user-flow.md)
+- [Add self-service sign-up to an app](self-service-sign-up-user-flow.md)
+- [SAML/WS-Fed IdP federation](direct-federation.md)
+- [Google federation](google-federation.md)