Fix typo

Co-authored-by: nulano <nulano@nulano.eu>

docs/releasenotes/8.0.0.rst

@@ -141,7 +141,7 @@ Improved ellipse-drawing algorithm
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 The ellipse-drawing algorithm has been changed from drawing a 360-sided polygon to one
-which resembles Bresenham's algorithm's for circles. It should be faster and produce
+which resembles Bresenham's algorithm for circles. It should be faster and produce
 smoother curves, especially for smaller ellipses.
 
 ImageDraw.text and ImageDraw.multiline_text