fix: typos, small optimisations

[mb6ockatf]

something is wrong with my email. @IvanIsak2000 see this account who did the commit? it is my account that i deleted kind of 3 years ago. so weird

i thing it will be fixed as i change my email

[IvanIsak2000]

I see this

[mb6ockatf]

I see this

@IvanIsak2000 see profile photo of a guy who did the commit? this one

[IvanIsak2000]

yes

[mb6ockatf]

yes

this is my old account )) i deleted it after i moved to bitbucket, then i moved back to github and now here we go

[mb6ockatf]

@IvanIsak2000 could you please press the merge button?)

[mb6ockatf]

@IvanIsak2000 thanks much)