diff --git a/luci-app-omr-bypass/htdocs/luci-static/resources/view/services/omr-bypass.js b/luci-app-omr-bypass/htdocs/luci-static/resources/view/services/omr-bypass.js
index 5317b2367..379e35e67 100644
--- a/luci-app-omr-bypass/htdocs/luci-static/resources/view/services/omr-bypass.js
+++ b/luci-app-omr-bypass/htdocs/luci-static/resources/view/services/omr-bypass.js
@@ -186,7 +186,7 @@ return L.view.extend({
 			},this));
 		};
 
-		o = s.option(widgets.DeviceSelect, 'interface', _('Interface'));
+		o = s.option(widgets.DeviceSelect, 'interface', _('Interface'),_('When none selected, MPTCP master interface is used.'));
 		o.noaliases = true;
 		o.noinactive = true;
 		o.nocreate    = true;