Fix typos

[hugovk]

---

📚 Documentation preview 📚: https://cpython-devguide--37.org.readthedocs.build/

[read-the-docs-community]

Documentation build overview

📚 hugovk-devguide | 🛠️ Build #30772655 | 📁 Comparing d3c407d against latest (4732570)

🔍 Preview build

Show files changed (16 files in total): 📝 13 modified | ➕ 1 added | ➖ 2 deleted

File	Status
index.html	📝 modified
compiler/index.html	📝 modified
exploring/index.html	📝 modified
garbage_collector/index.html	📝 modified
internals/index.html	📝 modified
parser/index.html	📝 modified
versions/index.html	📝 modified
developer-workflow/c-api/index.html	📝 modified
developer-workflow/extension-modules/index.html	📝 modified
documentation/devguide/index.html	📝 modified
internals/compiler/index.html	📝 modified
internals/exploring/index.html	📝 modified
internals/garbage-collector/index.html	➖ deleted
internals/garbage_collector/index.html	➕ added
internals/interpreter/index.html	➖ deleted
internals/parser/index.html	📝 modified

[hugovk]

Needed to complete the migration and then check this second box at https://app.readthedocs.org/dashboard/hugovk-devguide/pull-requests/

[merwok]

(What a weird idea to use kbd for the Preview build link)

[hugovk]

Comes from here: https://github.com/readthedocs/readthedocs.org/blob/5842a282571aca2ac3035fe99bb0176dca4a4a33/readthedocs/templates/core/build-overview.md?plain=1#L11

I'm sure they'll be happy for feedback.