diff --git a/rtfd/public/debian/system/system.rst b/rtfd/public/debian/system/system.rst
index a9ed18c..168106e 100644
--- a/rtfd/public/debian/system/system.rst
+++ b/rtfd/public/debian/system/system.rst
@@ -82,7 +82,7 @@ generate the minimal base
  --arch 'amd64' \
  --variant 'minbase' \
  --include 'locales,apt-utils,dialog' \
- 'bullseye' \
+ 'bookworm' \
  '/squashfs-root' \
  'https://deb.debian.org/debian'
 
@@ -123,10 +123,10 @@ sources
 
 ::
 
- deb [arch=amd64] https://deb.debian.org/debian bullseye main contrib non-free
- deb [arch=amd64] https://deb.debian.org/debian bullseye-backports main contrib non-free
- deb [arch=amd64] https://deb.debian.org/debian bullseye-updates main contrib non-free
- deb [arch=amd64] https://deb.debian.org/debian-security bullseye-security main contrib non-free
+ deb [arch=amd64] https://deb.debian.org/debian bookworm main contrib non-free
+ deb [arch=amd64] https://deb.debian.org/debian bookworm-backports main contrib non-free
+ deb [arch=amd64] https://deb.debian.org/debian bookworm-updates main contrib non-free
+ deb [arch=amd64] https://deb.debian.org/debian-security bookworm-security main contrib non-free
 
 locales
 -------
@@ -295,7 +295,7 @@ live-boot         si à destination de boot live
 
 .. code:: shell
 
- apt-get install --target-release 'bullseye-backports' 'linux-image-amd64'
+ apt-get install --target-release 'bookworm-backports' 'linux-image-amd64'
 
 .. code:: shell
 
@@ -308,7 +308,7 @@ initialization settings
 
 .. code:: shell
 
- apt-get install --target-release 'bullseye-backports' 'systemd-sysv'
+ apt-get install --target-release 'bookworm-backports' 'systemd-sysv'
 
 * /etc/sysctl.conf
 
@@ -335,7 +335,7 @@ install useful packages
 .. code:: shell
 
  apt-get install \
- --target-release 'bullseye-backports' \
+ --target-release 'bookworm-backports' \
  debootstrap
 
 install other packages
@@ -346,7 +346,7 @@ install other packages
 .. code:: shell
 
  apt-get install "package1" …
- apt-get install -t stretch-backports "package1" …
+ apt-get install --target-release 'bookworm-backports' "package1" …
 
 setup troubleshooting if needed
 -------------------------------
@@ -407,6 +407,6 @@ Archive prepared file system
  '/squashfs-root' \
  'filesystem.squashfs' \
  -noappend \
- -b '1m' \
+ -b '1M' \
  -comp 'zstd' \
  -Xcompression-level 22