Fix some typos, formatting

[vvolkl]

@petricm unless you have any other wip, I think we can tag v2 after this.

[petricm]

if we tag shouldn't we then write somehow in the readme that people should use v2 instead of main?

[vvolkl]

if we tag shouldn't we then write somehow in the readme that people should use v2 instead of main?

Good point. Changed it in the Readme.