Edit: Oh no! Latvian is partly as system language, though I wanted to change only keyboard layout.
Edit2: Thanks to Manjaro Settings Manager now system is displayed in English.
No problem. Can you please mark my first post here as a solution ?? So others with same problem can find the answer easy.
EDIT:
Click the 3 dots below the answer to mark a solution like this below the answer:
so that the next person that has the exact same problem you just had will benefit from your post as well as your question will now be in the “solved” status.