diff --git a/docs/desktop/wayland/sway/input-config.md b/docs/desktop/wayland/sway/input-config.md
index d9cb30f84ad1ccb7a84e6e98f21245b0dfeb9261..b6b82ccabc05590e538100b5a4c8d93cbfb7356e 100644
--- a/docs/desktop/wayland/sway/input-config.md
+++ b/docs/desktop/wayland/sway/input-config.md
@@ -7,8 +7,8 @@
 
 - [Arch wiki: Input remap utilities](https://wiki.archlinux.org/title/Input_remap_utilities)
 
-Problem: When using the Apple magic keyboard with the `kbd_options
-altwin:swap_alt_win` to swap *both* alt and super keys, the right alt is not
+Problem: When using the Apple magic keyboard with the `kbd_options altwin:swap_alt_win`
+to swap _both_ alt and super keys, the right alt is not
 mapped to `alt_gr` anymore. `kbd_options` are pretty limited in such a scanario,
 therefore more sophisticated tools like `keyd` can be used.
 
@@ -20,9 +20,11 @@ therefore more sophisticated tools like `keyd` can be used.
 
 Install:
 
-    pamac install keyd
-    sudo systemctl enable keyd
-    sudo systemctl start keyd
+```sh
+pamac install keyd
+sudo systemctl enable keyd
+sudo systemctl start keyd
+```
 
 #### keyd issues
 
diff --git a/docs/media/video/webcam.md b/docs/media/video/webcam.md
index fbfb3259848297e9ec088bc59bb433d84e3b1fc0..1961424fda9a6b22a5869dbeca262c3f20800b31 100644
--- a/docs/media/video/webcam.md
+++ b/docs/media/video/webcam.md
@@ -39,3 +39,9 @@ Set brightness to absulte value:
 ```sh
 v4l2-ctl -d /dev/video0 --set-ctrl=brightness=200
 ```
+
+## libcamera-tools
+
+```sh
+cam -l
+```
diff --git a/docs/smarthome/zigbee/coordinators.md b/docs/smarthome/zigbee/coordinators.md
index aea6095d8b0b7a580d9bd640cf3209d1b336f8a3..93ed7ceae52b7f7c9642cea66dfc823d7b0204e5 100644
--- a/docs/smarthome/zigbee/coordinators.md
+++ b/docs/smarthome/zigbee/coordinators.md
@@ -36,6 +36,29 @@
   power your Matter and Zigbee networks at the same time.
 - Shows up as USB device `10c4:ea60 Silicon Labs CP210x UART Bridge`
 
+### Firmware setup
+
+- [Firmware updates for Connect ZBT-1](https://support.nabucasa.com/hc/en-us/articles/26124447269917-Firmware-updates-for-Connect-ZBT-1)
+
+Using the [Universal Silicon Labs Flasher](https://github.com/NabuCasa/universal-silabs-flasher):
+
+```sh
+sudo -i
+pipx install universal-silabs-flasher
+```
+
+Download latest [Skyconnect firmware](https://github.com/NabuCasa/silabs-firmware-builder/releases),
+i.e. `skyconnect_zigbee_ncp_7.4.4.1.gbl`
+
+Then:
+
+```sh
+$ /root/.local/bin/universal-silabs-flasher \
+    --device /dev/ttyUSB0 \
+    flash \
+    --firmware skyconnect_zigbee_ncp_7.4.4.1.gbl
+```
+
 ## Conbee2
 
 - [Conbee2 Setup](https://smart-home-assistant.de/deconz-conbee-ii-einrichtung)
diff --git a/docs/systemd/journalctl.md b/docs/systemd/journalctl.md
index 2659e307f9babeb0183ae54994275b8847125d35..080155f071aa26654db3579e2ea6541fc0184ed6 100644
--- a/docs/systemd/journalctl.md
+++ b/docs/systemd/journalctl.md
@@ -6,46 +6,62 @@
 
 Verbose mode, shows the journald field names
 
-    journalctl -o verbose
+```sh
+journalctl -o verbose
+```
 
 ## Flush journal
 
 Retain only the past two days:
 
-    journalctl --vacuum-time=2d
+```sh
+journalctl --vacuum-time=2d
+```
 
 Retain only the past 500 MB:
 
-    journalctl --vacuum-size=500M
+```sh
+journalctl --vacuum-size=500M
+```
 
 ## Turn on persistant storage
 
-According to https://www.golinuxcloud.com/enable-persistent-logging-in-systemd-journald/,
+According to <https://www.golinuxcloud.com/enable-persistent-logging-in-systemd-journald/>,
 it's sufficient to only create the persistent journald stroage location with
 
-    mkdir -p /var/log/journal
+```sh
+mkdir -p /var/log/journal
+```
 
 Existing journal entries from `/run/log/journal` will get moved over
 immediately.
 
 journal storage location: `/var/log/journal`
 
-    journalctl --disk-usage
+```sh
+journalctl --disk-usage
+```
 
 Clean up:
 
-    sudo journalctl --vacuum-size=200M
+```sh
+sudo journalctl --vacuum-size=200M
 
-    sudo journalctl --verify
+sudo journalctl --verify
+```
 
 Limit max size
 
-     mkdir /etc/systemd/journald.conf.d
-     vi /etc/systemd/journald.conf.d/size.conf
-        [Journal]
-        SystemMaxUse=500M
-        SystemMaxFileSize=50M
+```sh
+ mkdir /etc/systemd/journald.conf.d
+ vi /etc/systemd/journald.conf.d/size.conf
+    [Journal]
+    SystemMaxUse=500M
+    SystemMaxFileSize=50M
+```
 
 ## Log to journal
 
-    echo 'hello' | systemd-cat -t someapp -p emerg
+```sh
+echo 'hello' | systemd-cat -t someapp -p emerg
+```