talkatu/talkatu

Fix some Talkatu typos

2021-10-10, Elliott Sales de Andrade
e778e5866097
Fix some Talkatu typos

Ran `codespell -w`, but ignored a few things.

Reviewed at https://reviews.imfreedom.org/r/1013/
Talkatu is versioned in [mercurial](https://www.mercurial-scm.org/) and is
available on [keep.imfreedom.org](https://keep.imfreedom.org/talkatu/talkatu).
All contributions are provided via review requests at [reviews.imfreedom.org](https://reviews.imfreedom.org/).