chore: update ref to docs (🤖)

docs/latest/tutorial/tutorial-4-adding-features.md

@@ -64,7 +64,7 @@ into end users' hands.
 
 [discord]: https://discord.com/invite/APGC3k5yaH
 [github]: https://github.com/electron/electronjs.org-new/issues/new
-[how to]: latest/tutorial/examples.md
+[how-to]: latest/tutorial/examples.md
 [node-platform]: https://nodejs.org/api/process.html#process_process_platform
 
 <!-- Tutorial links -->