Issue #25417: Fix typo in Path.samefile() docstring

Reported by Antony Lee.

Lib/pathlib.py

@@ -1017,8 +1017,8 @@ class Path(PurePath):
         return cls(cls()._flavour.gethomedir(None))
 
     def samefile(self, other_path):
-        """Return whether `other_file` is the same or not as this file.
-        (as returned by os.path.samefile(file, other_file)).
+        """Return whether other_path is the same or not as this file.
+        (as returned by os.path.samefile()).
         """
         st = self.stat()
         try: