diff --git a/README.md b/README.md
index f4254b9..111a09c 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 <!-- dsnap-sync README.md -->
-<!-- version: 0.6.6 -->
+<!-- version: 0.6.8 -->
 
 # dsnap-sync
 
@@ -184,6 +184,7 @@ Please use your host software package manager.
 		  --label-running <desc>  snapper description tagging active jobs. Default: "dsnap-sync in progress"
 		  --label-synced <desc>   snapper description tagging last synced jobs.
 								  Default: "dsnap-sync last incremental"
+          --calculate-btrfs-size  Enable calculation of sync-size for given snapshots
 		  --color                 Enable colored output messages
 	  -c, --config <config>       Specify the snapper configuration to use. Otherwise will perform for each snapper
 								  configuration. You can select multiple configurations
@@ -191,6 +192,7 @@ Please use your host software package manager.
 		  --config-postfix <name> Specify a postfix that will be appended to the destination snapper config name.
 		  --dry-run               perform a trial run (no changes are written).
 		  --mediapool             Specify the name of the tape MediaPool
+          --no-btrfs-quota        don't consume btrfs-quota to estimate snapshot size
 	  -n, --noconfirm             Do not ask for confirmation for each configuration. Will still prompt for backup
 		  --nonotify              Disable graphical notification (via dbus)
 		  --nopv                  Disable graphical progress output (disable pv)
@@ -387,4 +389,4 @@ This work is licensed under a [Creative Common License 4.0][License-CC_BY]
 ![Creative Common Logo][Logo-CC_BY]
 
 © 2016, 2017  James W. Barnett;
-© 2017 - 2021 Ralf Zerres
+© 2017 - 2023 Ralf Zerres
diff --git a/TODO.md b/TODO.md
index 54d2d78..617248b 100644
--- a/TODO.md
+++ b/TODO.md
@@ -4,14 +4,14 @@
 
 - dsnap-sync: restore btrfs-streams from archive backups
   * find last full
-  * iterate oval available incremental snapshots
+  * iterate over available incremental snapshots
 - dsnap-sync: restore btrfs snapshot from snapshot backups
   * $ssh btrfs send `<snapshot_path>/<snapshot-id>/snapshot_ro` | btrfs receive `/<btrfs-restore-dir>/`
 	(`recieved_uuid` attribte of `<btrfs-restore-dir>/snapshot_ro` will be imported from `<snapshot_path>/<snapshot-id>/snapshot_ro`)
   * btrfs sub snap `<btrfs-restore-dir>/snapshot_ro` `<btrfs-restore-dir>/snapshot_rw`
 	(create a writable `snapshot_rw`; its attibute `received_uuid` isn't set anymore)
   * sub delete `<btrfs-restore-dir>/snapshot_ro`
-  now you are able to mount the snapshot for further processing
+    now you are able to mount the snapshot for further processing
 - dsnap-sync: parallel tasks per config
 - consider mbuffer for splitting up btrfs streams
 
diff --git a/lang/german/README.md b/lang/german/README.md
index 1679bb4..5db71d4 100644
--- a/lang/german/README.md
+++ b/lang/german/README.md
@@ -1,5 +1,5 @@
 <!-- dsnap-sync README.md -->
-<!-- version: 0.6.6 -->
+<!-- version: 0.6.8 -->
 
 # dsnap-sync
 
@@ -190,6 +190,7 @@ Software Paket Manager.
 		  --label-running <desc>  snapper description tagging active jobs. Default: "dsnap-sync in progress"
 		  --label-synced <desc>   snapper description tagging last synced jobs.
 								  Default: "dsnap-sync last incremental"
+          --calculate-btrfs-size  Enable calculation of sync-size for given snapshots
 		  --color                 Enable colored output messages
 	  -c, --config <config>       Specify the snapper configuration to use. Otherwise will perform for each snapper
 								  configuration. You can select multiple configurations
@@ -423,4 +424,4 @@ Diese Arbeit ist unter der [Creative Common License 4.0][License-CC_BY] lizensie
 ![Creative Common Logo][Logo-CC_BY]
 
 © 2016, 2017  James W. Barnett;
-© 2017 - 2021 Ralf Zerres
+© 2017 - 2023 Ralf Zerres