asyncio docs: Fix dangling hyphen (GH-102227)

Currently this gets rendered with a dangling hyphen.
(cherry picked from commit 207e1c5cae11108213dff5ff07443ee4cfa0d2ea)

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>

Miss Islington (bot) committed 3y ago

ac631697928505708e41b181c5692fc8c3db7e90

Parent: 9563cf4

Committed by GitHub <noreply@github.com> on 2/25/2023, 1:28:16 PM