broken link

[stephens999]

the link to the math details
https://github.com/cossio/TruncatedNormal.jl/blob/master/notes/normal.pdf
seems to be broken.
thanks!

[tartopohm]

the link to the math details https://github.com/cossio/TruncatedNormal.jl/blob/master/notes/normal.pdf seems to be broken. thanks!

This link seems to work.