message: Fixed typo in ColorType.Gradient in docs
diff: @@ -95,4 +95,4 @@ It has the following values:
  `ColorType` enum is used to specify a type of color.
  - `ColorType.Solid` - solid color.
  -- `ColorType.Gradient` - gradient color.
  +- `ColorType.VerticalGradient` - gradient color.
  