Here's the info from the main page formatted for changelog.txt:
---------------------------------------------------------------------------------------------------
Version: 1.2.1
Date: 2020-09-15
Bugfixes:
- Fix for other mod interactions causing hostile turrets and locked assembly machines
---------------------------------------------------------------------------------------------------
Version: 1.2.2
Date: 2020-09-19
Bugfixes:
- Fix for reinstalls of the mod after disabling on a save.
You should copy it as is. Make sure you get all 99 dashes, don't change the spacing at the start of a line, don't add spaces after a final colon (as in "Bugfixes:"), and never ever use \t -- or the in-game changelog parser will throw an error.
For more information, please check out the changelog tutorial! :-)