Rollup merge of #47595 - PieterPenninckx:master, r=shepmaster
Rollup merge of #47595 - PieterPenninckx:master, r=shepmaster

Small improvements to the documentation of VecDeque.

Some small improvements to the documentation of `VecDeque`.

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