[issue38914] Clarify wording for warning message when checking a package

[Jürgen Gmach]

Change by Jürgen Gmach <juergen.gmach at googlemail.com>:


----------
keywords: +patch
pull_requests: +16870
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/17388

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38914>
_______________________________________