diff --git a/admin_manual/configuration_server/occ_command.rst b/admin_manual/configuration_server/occ_command.rst
index 2fbfbbc4a..ccd967e16 100644
--- a/admin_manual/configuration_server/occ_command.rst
+++ b/admin_manual/configuration_server/occ_command.rst
@@ -632,6 +632,8 @@ following command::
 
  sudo -u www-data php occ db:add-missing-indices
 
+Use option ``--dry-run`` to output the SQL queries without running them.
+
 .. _encryption_label:
 
 Encryption