Update README.md

README.md

@@ -61,8 +61,8 @@ annotation{
   "image_id"      : int,
   "category_id"   : int,
   "area"          : int,
-  "iscrowd"       : int,  # always 0 as instances represent a single object
-  "bbox"          : [x,y,width,height],
-  "segmentation"  : RLE,  # RLE: {"size", (height, widht), "counts": str}
+  "iscrowd"       : int,         # always 0 as instances represent a single object
+  "bbox"          : list[float], # [x,y,width,height]
+  "segmentation"  : str,         # compressed RLE: {"size", (height, widht), "counts": str}
 }
 ```