Apply suggestions from code review

Author: sobolevn

Doc/deprecations/pending-removal-in-3.18.rst

@@ -14,7 +14,8 @@ Pending removal in Python 3.18
 * :mod:`typing`:
 
    * :data:`typing.AnyStr` has been discouraged
-     and deprecated since Python 3.16.
+     and deprecated since Python 3.16
+     and is scheduled to be removed in Python 3.21.
      Use :pep:`695` syntax instead.
 
 * Deprecations defined by :pep:`829`:

Lib/typing.py

@@ -3954,7 +3954,7 @@ def __subclasscheck__(self, cls):
                 "in Python {remove}. Use PEP-695 type parameters "
                 "with constraints instead"
             ),
-            remove=(3, 18),
+            remove=(3, 21),
         )
         AnyStr = globals()["AnyStr"] = TypeVar('AnyStr', bytes, str)
         return AnyStr