fix broken link; add trailing slashes

content/journal/dispatch-6-august-2023/index.md

@@ -36,7 +36,7 @@ I've signed up for the [Bull City Race Fest][6] half-marathon in October. Traini
 
 [1]: https://www.recreation.gov/camping/campgrounds/233954
 [2]: https://helix-editor.com/
-[3]: /journal/a-month-with-helix
+[3]: /journal/a-month-with-helix/
 [4]: https://exercism.org/tracks/go
 [5]: https://github.com/charmbracelet/bubbletea
 [6]: https://capstoneraces.com/bull-city-race-fest/