Update comment in pytest.ini

Author: abravalheri

pytest.ini

@@ -13,6 +13,7 @@ filterwarnings=
 	# Workarounds for pypa/setuptools#3810
 	# Can't use EncodingWarning as it doesn't exist on Python 3.9.
 	# These warnings only appear on Python 3.10+
+
 	## upstream
 
 	# Ensure ResourceWarnings are emitted
@@ -28,7 +29,8 @@ filterwarnings=
 	# realpython/pytest-mypy#152
 	ignore:'encoding' argument not specified::pytest_mypy
 
-	# TODO: Set encoding when openning tmpdir files with pytest's LocalPath.open
+	# TODO: Set encoding when openning/writing tmpdir files with pytest's LocalPath.open
+	# see pypa/setuptools#4326
 	ignore:'encoding' argument not specified::_pytest
 
 	# Already fixed in pypa/distutils, but present in stdlib