docs: Fixes typo in the documentation about translations

[frgfm]

Hey there :wave:

I was going through your documentation and noticed a small typo on the Translation page! This PR simply fixes it.

Any feedback is welcome!

[vercel[bot]]

@frgfm is attempting to deploy a commit to the reworkd Team on Vercel.

A member of the Team first needs to authorize it.

[frgfm]

Hey @awtkns :wave: Going through my pending PRs, I'm happy to close the PR if you think it's not worth it! Quick doc fix, let me know!

[frgfm]

@asim-shrestha perhaps?

[asim-shrestha]

@frgfm merged!