Rollup merge of #126414 - ChrisDenton:target-known, r=Nilstrieb

Rollup merge of #126414 - ChrisDenton:target-known, r=Nilstrieb · rust-lang/rust@8bfde60

Original file line number	Diff line number	Diff line change
@@ -119,7 +119,7 @@ The `std` column in the table below has the following meanings:
`119`	`119`
`120`	`120`	`* ✓ indicates the full standard library is available.`
`121`	`121`	* \* indicates the target only supports [`no_std`] development.
`122`		`-* ? indicates the standard library support is unknown or a work-in-progress.`
	`122`	`+* ? indicates the standard library support is a work-in-progress.`
`123`	`123`
`124`	`124`	[`no_std`]: https://rust-embedded.github.io/book/intro/no-std.html
`125`	`125`