[docs] [issue43935] Fix typo in Turtle.back docstring

Terry J. Reedy <tjreedy@udel.edu> added the comment: New changeset e377ecf3b496c7719e6dffe3ebf3d0ef512cfb5b by Miss Islington (bot) in branch '3.8': bpo-43935: Fix typo in Turtle.back() docstring (GH-25581) https://github.com/python/cpython/commit/e377ecf3b496c7719e6dffe3ebf3d0ef512... ---------- _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue43935> _______________________________________