DOCSP-4588: trivial fix ref

Author: kay-kim

source/tutorial/configure-ssl.txt

@@ -254,7 +254,7 @@ and perform client certificate validation. With these TLS/SSL settings:
   key file from the client to verify the client's identity.
 
 To use TLS/SSL connections and perform client certificate validation,
-include the following :ref:`TLS/SSL settings <net-tls-conf-options>` in
+include the following :ref:`TLS/SSL settings <net-ssl-conf-options>` in
 your :binary:`~bin.mongod`/:binary:`~bin.mongos` instance's
 :ref:`configuration file <conf-file>`: