[odrs-web] trivial: Fix cron help output

[Richard Hughes <rhughes src gnome org>]

commit 89f1cb5004cb607605ab24aa6f88b57956d7d413
Author: Richard Hughes <richard hughsie com>
Date:   Thu Jul 4 08:56:47 2019 +0100

    trivial: Fix cron help output

 app_data/cron.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/app_data/cron.py b/app_data/cron.py
index 2f87b7b..7eef21f 100755
--- a/app_data/cron.py
+++ b/app_data/cron.py
@@ -96,7 +96,7 @@ def _taboo_import(fn):
 if __name__ == '__main__':
 
     if len(sys.argv) < 2:
-        print('Usage: %s ratings|auto-delete' % sys.argv[0])
+        print('Usage: %s ratings|auto-delete|taboo-check|taboo-import' % sys.argv[0])
         sys.exit(1)
 
     # create the ratings data