[docs] [issue37816] f-string documentation not fully accurate

[Karthikeyan Singaravelan]

Change by Karthikeyan Singaravelan <tir.karthi at gmail.com>:


----------
nosy: +eric.smith

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue37816>
_______________________________________