message: Fix typo in metadata_schema.fbs
diff: @@ -195,7 +195,7 @@ enum CoordinateType : byte {
  table BoundingBoxProperties {
  // Denotes the order of the elements defined in each bounding box type. An
  - // empty index array represent the defualt order of each bounding box type.
  + // empty index array represent the default order of each bounding box type.
  // For example, to denote the default order of BOUNDARIES, {left, top, right,
  // bottom}, the index should be {0, 1, 2, 3}. To denote the order {left,
  // right, top, bottom}, the order should be {0, 2, 1, 3}.
  