[docs] [issue33952] doc Fix typo in str.upper() documentation

Tal Einat <taleinat@gmail.com> added the comment: New changeset ac5a6e35ef4a73846136804fff924760ec67ebbd by Tal Einat (Miss Islington (bot)) in branch '3.6': bpo-33952: Fix typo in str.upper() documentation (GH-7898) (GH-7904) https://github.com/python/cpython/commit/ac5a6e35ef4a73846136804fff924760ec6... ---------- _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue33952> _______________________________________