diff --git a/frontend/js/i18n/en.js b/frontend/js/i18n/en.js
index b2e9b40..8fc3797 100644
--- a/frontend/js/i18n/en.js
+++ b/frontend/js/i18n/en.js
@@ -334,6 +334,9 @@ export default {
'device.assign.modal_title': 'Add to Playlist',
'device.assign.zone_label': 'Zone',
'device.assign.zone_default': 'Default (fullscreen)',
+ 'device.assign.zone_no_layout': 'This device has no layout assigned. Content will play fullscreen. Pick a layout from the Layout dropdown on this device to use zones.',
+ 'device.assign.zone_load_failed': 'Layout zones could not be loaded. Try refreshing the page.',
+ 'device.assign.zone_empty_layout': 'This layout has no zones defined.',
'device.assign.duration_label': 'Display Duration (seconds, for images/widgets)',
'device.assign.tab.media': 'Media ({n})',
'device.assign.tab.widgets': 'Widgets ({n})',
diff --git a/frontend/js/views/device-detail.js b/frontend/js/views/device-detail.js
index c44ba51..07d4436 100644
--- a/frontend/js/views/device-detail.js
+++ b/frontend/js/views/device-detail.js
@@ -504,7 +504,7 @@ function renderPlaylist(assignments) {