Updated translations.

imports/i18n/data/nl.i18n.json

@@ -1242,5 +1242,5 @@
   "show-at-minicard": "Toon op minikaart",
   "show-checklist-at-minicard": "Toon checklist op minikaart",
   "show-subtasks-field": "Toon subtakenveld",
-  "convert-to-markdown": "Convert to markdown"
+  "convert-to-markdown": "Converteer naar markdown"
 }