diff --git a/doc/man/man1/ldapwhoami.1 b/doc/man/man1/ldapwhoami.1
index 9d2038e595..97ddae233d 100644
--- a/doc/man/man1/ldapwhoami.1
+++ b/doc/man/man1/ldapwhoami.1
@@ -142,7 +142,7 @@ Issue StartTLS (Transport Layer Security) extended operation. If you use
 .SH "SEE ALSO"
 .BR ldap.conf (5),
 .BR ldap (3),
-.BR ldap_extended_s (3)
+.BR ldap_extended_operation (3)
 .SH AUTHOR
 The OpenLDAP Project <http://www.openldap.org/>
 .SH ACKNOWLEDGEMENTS