Post-migration cleanup.
diff --git a/tools/application/doc.go b/tools/application/doc.go
index 50f9e94..31b8cfa 100644
--- a/tools/application/doc.go
+++ b/tools/application/doc.go
@@ -32,6 +32,8 @@
    logs at or above this threshold go to stderr
  -v=0
    log level for V logs
+ -vanadium.i18n_catalogue=
+   18n catalogue files to load, comma separated
  -veyron.credentials=
    directory to use for storing security credentials
  -veyron.namespace.root=[/ns.dev.v.io:8101]