Ismael

Broken link - 404 error

3

On first paragraph from [Welcome to fastai](https://docs.fast.ai/) when clicking on [Using Colab](https://course.fast.ai/start_colab) the page is not found.

Error in spanish README

2

I made PR #84 to fix a link but it got closed I don't know if I have to notify someone in order to have my change merged or if...