diff --git a/locales/_keys.desktop.json b/locales/_keys.desktop.json
index 0e973d5087..eaebbbc8d1 100644
--- a/locales/_keys.desktop.json
+++ b/locales/_keys.desktop.json
@@ -2139,7 +2139,9 @@
     "preview.largeTitle",
     "preview.linkHint",
     "preview.loading",
+    "preview.missingBody",
     "preview.missingTarget",
+    "preview.missingTitle",
     "preview.noInlineBody",
     "preview.noInlineTitle",
     "preview.openInBrowser",