diff --git a/src/hw/booster.md b/src/hw/booster.md
index 619ca80..a8bb8f9 100644
--- a/src/hw/booster.md
+++ b/src/hw/booster.md
@@ -49,7 +49,7 @@ cargo objcopy --release -- -O binary booster-release.bin
 #### For version before September 2023 on NixOS
 
 ```shell
-git clone git@github.com:quartiq/booster.git
+git clone https://github.com/quartiq/booster
 cd booster
 git checkout a1f83b63180511ecd68f88a04621624941d17a41 # or earlier
 nix-shell -p rustup cargo rustc dfu-util
@@ -125,6 +125,22 @@ In case someone sets some setting wrongly, or updates the firmware and suddenly
 11. Connect to your MQTT broker
 12. Restart booster to receive settings
 
+## Calibration software setup
+
+For the first setup, we need to create a Python virtual environment with necessary components: ``booster`` script and ``miniconf``.
+
+```shell
+python -m venv env
+source env/bin/activate.fish
+pip install git+https://github.com/quartiq/miniconf.git@84cc9046bf504cc2d0d33b84d2f3133f2faf2248#subdirectory=py/miniconf-mqtt
+git clone https://github.com/quartiq/booster
+cd booster/py
+pip install .
+cd ../..
+```
+
+For subsequent runs, just call ``source env/bin/activate.fish``.
+
 ## Calibration
 
 1. Assemble Kasli with one Urukul, build and flash firmware for it with [booster.json](../extra/booster/booster.json)
@@ -133,23 +149,14 @@ In case someone sets some setting wrongly, or updates the firmware and suddenly
    ![50Ohm load](../img/50ohm_parallel_load.jpg),
 4. Configure oscilloscope for 1M Ohm impedance
 5. Attach attenuator to the Urukul's RF2
-6. `cd py/`
-7. You may also need to download or install python's `gmqtt` and `miniconf`:
-
-   ```shell
-   python -m venv env
-   source env/bin/activate.fish
-   pip install git+https://github.com/quartiq/miniconf.git@84cc9046bf504cc2d0d33b84d2f3133f2faf2248#subdirectory=py/miniconf-mqtt
-   ```
-
-8. Enable channels:
+6. Enable channels:
    `python -m booster --broker 192.168.1.123 --prefix dt/sinara/booster/xx-xx-xx-xx-xx-xx --channel N tune=0.1`
-9. Using [booster_template](../extra/booster/booster_template.ods) fill in `y0`, `y1`, `m`, `c`,
+7. Using [booster_template](../extra/booster/booster_template.ods) fill in `y0`, `y1`, `m`, `c`,
    values using instructions below
-10. Update settings with the adjusted values
-11. Save settings with
+8. Update settings with the adjusted values
+9. Save settings with
     `python -m booster --broker 192.168.1.123 --prefix dt/sinara/booster/xx-xx-xx-xx-xx-xx --channel N save`
-12. Reboot and check settings are applied
+10. Reboot and check settings are applied
 
 ### Input power