Fixed parameter names in Image.eval() and ImageStat.Stat docstrings

src/PIL/Image.py

@@ -3802,15 +3802,15 @@ def composite(image1: Image, image2: Image, mask: Image) -> Image:
 
 
 def eval(image: Image, *args: Callable[[int], float]) -> Image:
-    """
+    r"""
     Applies the function (which should take one argument) to each pixel
     in the given image. If the image has more than one band, the same
     function is applied to each band. Note that the function is
     evaluated once for each possible pixel value, so you cannot use
     random components or other generators.
 
     :param image: The input image.
-    :param function: A function object, taking one integer argument.
+    :param \*args: A function object, taking one integer argument.
     :returns: An :py:class:`~PIL.Image.Image` object.
     """
 

src/PIL/ImageStat.py

@@ -39,7 +39,7 @@ def __init__(
         only the regions covered by that mask are included in the
         statistics. You can also pass in a previously calculated histogram.
 
-        :param image: A PIL image, or a precalculated histogram.
+        :param image_or_list: A PIL image, or a precalculated histogram.
 
             .. note::