Docs: proofread PR 619 - Githubissues

Description of changes

[ ] Summary of the proposed changes in the PR description
[ ] More detailed description in the commit message(s)
[ ] Commits are squashed into relevant entities - avoid a lot of minimal dev time commits in the PR
[x] Contribution guidelines followed
[x] Ghaf documentation updated with the commit - https://tiiuae.github.io/ghaf/
[ ] PR linked to architecture documentation and requirement(s) (ticket id)
[ ] Test procedure described (or includes tests). Select one or more:
- [ ] Tested on Lenovo X1 x86_64
- [ ] Tested on Jetson Orin NX or AGX aarch64
- [ ] Tested on Polarfire riscv64
[ ] Author has run nix flake check --accept-flake-config and it passes
[ ] All automatic Github Action checks pass - see actions
[ ] Author has added reviewers and removed PR draft status