[3.7] bpo-8243: Doc patch for curses.window.addstr and curses.window.addch (GH-5179) (GH-6404)

(cherry picked from commit ef5ce884a41c8553a7eff66ebace908c1dcc1f89)

Co-authored-by: Jay Crotts <crotts.jay@gmail.com>
2 files changed