diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/opac.pref b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/opac.pref
index 8722af5987..0ee859b872 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/opac.pref
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/opac.pref
@@ -6,6 +6,7 @@ OPAC:
               choices:
                   holdingbranch: "current location"
                   homebranch: "home library"
+            - . Please note that this feature is currently available for MARC21 and UNIMARC.
         -
             - Use the
             - pref: opacthemes