Typos in "About" page

[jenkspt]

http://www.depthfirstlearning.com/about/
Typo 1:
Second paragraph, third sentence, extraneous "is".
"We spent some time understanding each paper and writing down the core concepts on which they were is built."

Typo 2:
Fourth paragraph, fourth sentence, duplicate "out".
"Check out out github for examples and open an issue detailing which paper you want to study."

[cinjon]

Thanks! (fixed)