[docs] [issue31811] async and await missing from keyword list in lexical analysis doc

Tom Floyer <tomfloyer@icloud.com> added the comment: I've added those keywords to documentation master branch. ---------- nosy: +tomfloyer pull_requests: +4104 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue31811> _______________________________________