diff --git a/README.md b/README.md
index f0905b01578f6a4005df95e8def4e52622a3f4be..5ce4516f750d44d40a232a134dd57180eeec927b 100644
--- a/README.md
+++ b/README.md
@@ -111,8 +111,9 @@ the service base directory and called `status.xml`.
 ### Grace Location Cleanup
 
 After a transfer has completed, the service moves all folders of that transfer
-into one subfolder inside the `$ManagedDirectory/DONE/<username>/` location.
-Grace location checks are done
+into one subfolder inside the `$ManagedDirectory/DONE/<username>/` location. The
+subfolders are named with a timestamp `YYYY-MM-DD__hh-mm-ss`. The grace location
+checks are done
  - at service startup
  - after a transfer has finished
  - once every *configurable* hours