document release v1.2.0

Author: fphammerle

CHANGELOG.md

@@ -5,10 +5,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [1.2.0] - 2025-09-07
 ## Added
 - support jeepney v0.9
-- ability to start/stop system units using `--control_system_unit <unit_name>`
-  ([#223](https://github.com/fphammerle/systemctl-mqtt/pull/223)
+- ability to start/stop system units using `--control-system-unit <unit_name>`
+  ([#223](https://github.com/fphammerle/systemctl-mqtt/pull/223), [@nougad](https://github.com/nougad))
 
 ## [1.1.0] - 2025-01-19
 ### Added
@@ -141,7 +143,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - MQTT message on topic `systemctl/hostname/poweroff`
   schedules a poweroff via systemd's dbus interface (4 seconds delay)
 
-[Unreleased]: https://github.com/fphammerle/systemctl-mqtt/compare/v1.1.0...HEAD
+[Unreleased]: https://github.com/fphammerle/systemctl-mqtt/compare/v1.2.0...HEAD
+[1.2.0]: https://github.com/fphammerle/systemctl-mqtt/compare/v1.1.0...v1.2.0
 [1.1.0]: https://github.com/fphammerle/systemctl-mqtt/compare/v1.0.0...v1.1.0
 [1.0.0]: https://github.com/fphammerle/systemctl-mqtt/compare/v0.5.0...v1.0.0
 [0.5.0]: https://github.com/fphammerle/systemctl-mqtt/compare/v0.4.0...v0.5.0

README.md

@@ -100,8 +100,8 @@ enables reports on topic
 ```
 $ systemctl-mqtt  --control-system-unit <unit_name>
 ```
-enables that a system unit can be restarted by a message on topic
-`systemctl/[hostname]/unit/system/[unit_name]/restart`.
+enables that a system unit can be started, stopped, and restarted by a message on topic
+`systemctl/[hostname]/unit/system/[unit_name]/start`, `…/stop`, `…/restart`.
 
 ## Home Assistant 🏡