Merge pull request #7169 from radarhere/coordinate

Author: hugovk

docs/handbook/concepts.rst

@@ -95,9 +95,8 @@ in the upper left corner. Note that the coordinates refer to the implied pixel
 corners; the centre of a pixel addressed as (0, 0) actually lies at (0.5, 0.5).
 
 Coordinates are usually passed to the library as 2-tuples (x, y). Rectangles
-are represented as 4-tuples, with the upper left corner given first. For
-example, a rectangle covering all of an 800x600 pixel image is written as (0,
-0, 800, 600).
+are represented as 4-tuples, (x1, y1, x2, y2), with the upper left corner given
+first.
 
 Palette
 -------