Remove old comment about pre-release black

README.rst

@@ -94,26 +94,13 @@ You can request only the ``BLK`` codes be shown using::
 Python package management
 -------------------------
 
-We covered using pip or conda by hand above. If you are using a PyPI based
-Python dependency system like pipenv or poetry, you may run into complications
-because at the time of writing all the black releases to PyPI have been tagged
-as pre-releases (beta code). `PEP440 Handling of pre-releases
-<https://www.python.org/dev/peps/pep-0440/#handling-of-pre-releases>`_
-could be more explicit here.
-
-For pipenv, flake8-black v0.2.0 onwards should just work.
-
-For poetry, include this in your ``pyproject.toml`` configuration file::
-
-    [tool.poetry.dev-dependencies]
-    ...
-    black = { version = "*", allow-prereleases = true }
-    ...
-
-In either case, for large projects you should consider pinning the exact
+For large projects especially, you should consider pinning the exact
 version of black you want to use as their updates do sometimes introduce
 changes which would show up as new ``BLK100`` violations via flake8.
 
+You should be able to specify your black version in your conda or pip
+requirements or environment, or using using pipenv or poetry etc.
+
 Configuration
 -------------