Minor typo fix
Fixed "recieve" to "receive", line 4 of rst file
Working with the mouse
======================
-All pyglet windows can recieve input from a 3 button mouse with a
+All pyglet windows can receive input from a 3 button mouse with a
2 dimensional scroll wheel. The mouse pointer is typically drawn by the
operating system, but you can override this and request either a different
cursor shape or provide your own image or animation.
