bpo-41426 Fix grammar in curses.getmouse() documentation (GH-21677)


Automerge-Triggered-By: @brettcannon
(cherry picked from commit ba18c0b13ba3c08077ea3db6658328523823a33f)

Co-authored-by: Sebastien Williams-Wynn <s.williamswynn.mail@gmail.com>
1 file changed