Done.CC BY 4.0
Ok..... Ok. Just interesting was it:
1. you read the what CC0 is and what is CC-BY4 and decided to change it to CC-BY4
2. it was CC-BY4 from start but it just was "misunderstanding"
I was not aware of the existence of that many licences. I'm kinda new in this.I just used the licence chooser.
