diff --git a/Lib/os.py b/Lib/os.py
index 12926c832f5ba5..77771249967fc7 100644
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -490,8 +490,8 @@ def fwalk(top=".", topdown=True, onerror=None, *, follow_symlinks=False, dir_fd=
 
     def _fwalk(stack, isbytes, topdown, onerror, follow_symlinks):
         # Note: This uses O(depth of the directory tree) file descriptors: if
-        # necessary, it can be adapted to only require O(1) FDs, see issue
-        # #13734.
+        # necessary, it can be adapted to only require O(1) FDs.
+        # See https://github.com/python/cpython/issues/57943.
 
         action, value = stack.pop()
         if action == _fwalk_close: