Fix a copy&paste error in the TLSv1.3 server side PSK documentation
The introductory paragraph for the TLSv1.3 server side PSK documentation
is a copy & paste of the client side documentation which has not been
updated with the server side equivalent information.
@@ -39,9 +39,9 @@ SSL_set_psk_find_session_callback
=head1 DESCRIPTION
-A client application wishing to use TLSv1.3 PSKs should set a callback
-using either SSL_CTX_set_psk_use_session_callback() or
-SSL_set_psk_use_session_callback() as appropriate.
+A server application wishing to use TLSv1.3 PSKs should set a callback
+using either SSL_CTX_set_psk_find_session_callback() or
+SSL_set_psk_find_session_callback() as appropriate.
The callback function is given a pointer to the SSL connection in B<ssl> and
an identity in B<identity> of length B<identity_len>. The callback function
