Fix FAQ typos

[Wh1t3Ni9ht]

Description

Describe your PR! If it fixes specific issue, mention it with "Fixes # (issue)".

Select what type of change this PR introduces:

1. [x] Just code/docs improvement (no functional change).
2. [ ] Bug fix (non-breaking change which fixes an issue).
3. [ ] New feature (non-breaking change which adds functionality).
4. [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected).

Update Waspc ChangeLog and version if needed

If you did a bug fix, new feature, or breaking change, that affects waspc, make sure you satisfy the following:

1. [ ] I updated ChangeLog.md with description of the change this PR introduces.
2. [ ] I bumped waspc version in waspc.cabal to reflect changes I introduced, with regards to the version of the latest wasp release, if the bump was needed.

[infomiho]

Thank you @Wh1t3Ni9ht for the contribution!

Some good edits :)