[docs] [issue41283] The parameter name for imghdr.what in the documentation is wrong

Change by Joannah Nanjekye <nanjekyejoannah@gmail.com>: ---------- pull_requests: +20716 pull_request: https://github.com/python/cpython/pull/21573 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue41283> _______________________________________