diff --git a/doc/040_backup.rst b/doc/040_backup.rst
index 637e42e2b..ec3e957b7 100644
--- a/doc/040_backup.rst
+++ b/doc/040_backup.rst
@@ -40,8 +40,7 @@ As you can see, restic created a backup of the directory and was pretty
 fast! The specific snapshot just created is identified by a sequence of
 hexadecimal characters, ``40dc1520`` in this case.
 
-If you don't pass the ``--verbose`` option, restic will print less data (but
-you'll still get a nice live status display).
+If you don't pass the ``--verbose`` option, restic will print less data. You'll still get a nice live status display. Be aware that the live status shows the processed files and not the transferred data. Transferred volume might be lower (due to deduplication) or higher.
 
 If you run the command again, restic will create another snapshot of
 your data, but this time it's even faster. This is de-duplication at