Update src/pip/_internal/cli/cmdoptions.py
@@ -182,7 +182,7 @@ require_virtualenv: Callable[..., Option] = partial(
dest="require_venv",
action="store_true",
default=False,
- help="Run pip only if inside a virtualenv, bail if not.",
+ help="Allow pip to only run in a virtual environment; exit with an error otherwise.",
)
verbose: Callable[..., Option] = partial(
