diff --git a/locales/ca/browser/browser/zen-general.ftl b/locales/ca/browser/browser/zen-general.ftl
index 030c4cc35..e729ab26a 100644
--- a/locales/ca/browser/browser/zen-general.ftl
+++ b/locales/ca/browser/browser/zen-general.ftl
@@ -98,3 +98,12 @@ zen-site-data-panel-feature-callout-subtitle = Feu clic a la icona per gestionar
 zen-open-link-in-glance = 
     .label = Obre l'enllaç en un cop d'ull
     .accesskey = G
+zen-sidebar-notification-updated-heading = Actualització completada!
+# See ZenSidebarNotification.mjs to see how these would be used
+
+zen-sidebar-notification-updated-label = Novetats a { -brand-short-name }
+zen-sidebar-notification-updated-tooltip = 
+    .title = Mostra les notes de la versió
+zen-sidebar-notification-restart-safe-mode-label = Alguna cosa no funciona?
+zen-sidebar-notification-restart-safe-mode-tooltip = 
+    .title = Reinici en mode segur