diff --git a/admin_manual/configuration_files/primary_storage.rst b/admin_manual/configuration_files/primary_storage.rst
index f96d1c4a057..7b311e678a4 100644
--- a/admin_manual/configuration_files/primary_storage.rst
+++ b/admin_manual/configuration_files/primary_storage.rst
@@ -195,6 +195,8 @@ Optional parameters less commonly needing adjustment:
 * :code:`timeout` defaults to :code:`15`
 * :code:`uploadPartSize` defaults to :code:`524288000`
 * :code:`putSizeLimit` defaults to :code:`104857600`
+* :code:`useMultipartCopy` defaults to :code:`true`
+* :code:`copySizeLimit` defaults to :code:`5242880000`
 * :code:`legacy_auth` has no default
 * :code:`version` defaults to :code:`latest`
 * :code:`verify_bucket_exists` defaults to :code:`true` [Note: Setting this to :code:`false` *after* confirming the bucket has been created may provide a performance benefit, but may not be possible in multibucket scenarios.]