Tools can perform "some" refactorings (#1886)

Author: srittau

docs/guides/modernizing.rst

@@ -29,7 +29,7 @@ available using quoting.
     Tools such as `pyupgrade <https://pypi.org/project/pyupgrade/>`__,
     `ruff <https://pypi.org/project/ruff/>`__ and/or
     `com2ann <https://pypi.org/project/com2ann/>`__ can automatically perform
-    these refactorings for you.
+    some of these refactorings for you.
 
 .. note::