bpo-42727: Fix the NEWS entry .rst (GH-23932)

bpo-42727: Fix the NEWS entry .rst (GH-23932)

It was causing CI failures.  the offending file came from https://github.com/python/cpython/pull/23917

```
python3 tools/rstlint.py ../Misc/NEWS.d/next/
[2] ../Misc/NEWS.d/next/Library/2020-12-23-19-43-06.bpo-42727.WH3ODh.rst:1: default role used
[2] ../Misc/NEWS.d/next/Library/2020-12-23-19-43-06.bpo-42727.WH3ODh.rst:2: default role used
2 problems with severity 2 found.
Makefile:204: recipe for target 'check' failed
```