Greasy Fork is available in English.
The script removes the actual "Edit Anime/Manga Information" drop down menu, and replaces that with Better Buttons To edit the Anime/Manga information.
How to Install scripts? (Click here)
Hover the mouse above one of the icons to get a description of what the button edits.
The buttons also show above the Information section.
You may also want to try
https://greasyfork.org/en/scripts/408439-better-buttons-to-change-the-status-of-animes-mangas-and-to-add-scores
