message: Fix some links in doc
diff: @@ -592,7 +592,7 @@ where
  /// been shown to improve performance.
  ///
  /// The crate defines a few type aliases with regularly used pixel types for your convenience, such
  -/// as `RgbImage`, `GrayImage` etc.
  +/// as [`RgbImage`], [`GrayImage`] etc.
  ///
  /// [`GenericImage`]: trait.GenericImage.html
  /// [`GenericImageView`]: trait.GenericImageView.html
  @@ -1042,7 +1042,7 @@ where
  /// Assumes the writer is buffered. In most cases,
  /// you should wrap your writer in a `BufWriter` for best performance.
  ///
  - /// See [`ImageOutputFormat`](../enum.ImageOutputFormat.html) for
  + /// See [`ImageOutputFormat`](enum.ImageOutputFormat.html) for
  /// supported types.
  pub fn write_to<W, F>(&self, writer: &mut W, format: F) -> ImageResult<()>
  where
  