Rollup merge of #82592 - Lonami:patch-1, r=RalfJung
Rollup merge of #82592 - Lonami:patch-1, r=RalfJung

Improve transmute docs with further clarifications

Closes #82493.

Please let me know if any of the new wording sounds off, English is not my mother tongue.

graydon/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust