Rollup merge of #45105 - camsteffen:patch-2, r=pnkfelix
Rollup merge of #45105 - camsteffen:patch-2, r=pnkfelix

Fix rustc documentation typo

I'm new to rustc but this looks like a typo.

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