动态缩略图修改

_locales/en.json

@@ -21,7 +21,7 @@
         "thumbnail": "Set current item thumbnail",
         "thumbnailTitle": "Set the current frame as this item's 400×400 custom thumbnail",
         "animatedThumbnailTitle": "Generate animated thumbnail",
-        "animatedThumbnailNote": "This replaces the current item thumbnail and the plugin cannot restore the previous image. Frame count, color precision and internal detail are reduced automatically to meet the size limit.",
+        "animatedThumbnailNote": "This replaces the current thumbnail and cannot be undone by the plugin. Frame count, color precision and detail are reduced first; if needed, dimensions are reduced progressively from 400×400.",
         "animatedRange": "Animation range",
         "animatedStart": "Start",
         "animatedEnd": "End",