Fix docs typos #1031

Job	Run time
Extract crate metadata	5s
Ensure 'cargo fmt' has been run	10s
Minimum supported rust version	2m 4s
aarch64-unknown-linux-gnu (ubuntu-20.04)	7m 53s
arm-unknown-linux-gnueabihf (ubuntu-20.04)	10m 29s
arm-unknown-linux-musleabihf (ubuntu-20.04)	5m 26s
i686-pc-windows-msvc (windows-2019)	7m 36s
i686-unknown-linux-gnu (ubuntu-20.04)	8m 37s
i686-unknown-linux-musl (ubuntu-20.04)	5m 41s
x86_64-apple-darwin (macos-12)	6m 48s
x86_64-pc-windows-gnu (windows-2019)	7m 10s
x86_64-pc-windows-msvc (windows-2019)	6m 18s
x86_64-unknown-linux-gnu (ubuntu-20.04)	6m 45s
x86_64-unknown-linux-musl (ubuntu-20.04)	9m 30s
Publish to Winget	0s
	1h 24m 32s

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