fixed typos (#1553) #1960

Job	Run time
Rustfmt	13s
Integration tests (macos-latest)	4m 44s
Integration tests (ubuntu-latest)	2m 17s
Code coverage	2m 34s
Unit tests (macos-latest, x86_64-apple-darwin, false)	4m 57s
Unit tests (windows-latest, x86_64-pc-windows-msvc, false)	4m 52s
Clippy	54s
Unit tests (ubuntu-latest, x86_64-unknown-linux-gnu, false)	2m 8s
Unit tests (ubuntu-latest, x86_64-unknown-linux-musl, true)	2m 48s
Unit tests (ubuntu-latest, i686-unknown-linux-gnu, true)	2m 37s
Unit tests (ubuntu-latest, arm-unknown-linux-gnueabihf, true)	2m 53s
Unit tests (ubuntu-latest, aarch64-unknown-linux-gnu, true)	2m 43s
	33m 40s

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