[issue38255] Replace "method" with "attribute" in the description of super()

[miss-islington]

Change by miss-islington <mariatta.wijaya+miss-islington at gmail.com>:


----------
pull_requests: +15974
pull_request: https://github.com/python/cpython/pull/16392

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38255>
_______________________________________