Have deprecation messages match cpython

Author: max-muoto

stdlib/pdb.pyi

@@ -62,10 +62,10 @@ class Pdb(Bdb, Cmd):
     curframe: FrameType | None
     if sys.version_info >= (3, 13):
         @property
-        @deprecated("curframe_locals is deprecated. Derived debuggers should access pdb.Pdb.curframe.f_locals instead.")
+        @deprecated("The frame locals reference is no longer cached. Use 'curframe.f_locals' instead.")
         def curframe_locals(self) -> Mapping[str, Any]: ...
         @curframe_locals.setter
-        @deprecated("curframe_locals is deprecated. Derived debuggers should access pdb.Pdb.curframe.f_locals instead.")
+        @deprecated("Setting 'curframe_locals' no longer has any effect. Update the contents of 'curframe.f_locals' instead.")
         def curframe_locals(self, value: Mapping[str, Any]) -> None: ...
     else:
         curframe_locals: Mapping[str, Any]