Update menu_nl.lang
Done. Should be checked by another native speaker, in  order to prevent stupid mistakes.
"behavior-editor-remove": "Verwijderen",
"binding-attack": "Aanvallen",
"binding-autoMove-mode": "Automatisch bewegen aanzetten",
- "binding-backwards": "Achterste",
+ "binding-backwards": "Achteruit",
"binding-behavior-editor": "Gedrag Editor Aanzetten",
"binding-chat": "Chat aanzetten",
"binding-console": "Console aanzetten",
