fix outdated reference to help menu
fix outdated reference to help menu

as far as i can see there is no "help" menu anymore, so here's a pull request that fixes the documentation =]

...if there is still a help menu, consider this a request to make it more visible.
itchio/itch,leafo/itchio-app,itchio/itch,itchio/itch,itchio/itchio-app,leafo/itchio-app,itchio/itch,leafo/itchio-app,itchio/itchio-app,itchio/itch,itchio/itch,itchio/itchio-app